Wars of the Diadochi
Encyclopedia
The Wars of the Diadochi
Diadochi
The Diadochi were the rival generals, family and friends of Alexander the Great who fought for the control of Alexander's empire after his death in 323 BC...

(or Wars of Alexander's Successors) were a series of conflicts fought between Alexander the Great's generals over the rule of his empire between 322 and 275 BC.

Background

When Alexander the Great died (June 10, 323 BC), he left behind a huge empire which was composed of many essentially independent territories. Alexander's empire stretched from his homeland of Macedon
Macedon
Macedonia or Macedon was an ancient kingdom, centered in the northeastern part of the Greek peninsula, bordered by Epirus to the west, Paeonia to the north, the region of Thrace to the east and Thessaly to the south....

 itself, along with the Greek
Ancient Greece
Ancient Greece is a civilization belonging to a period of Greek history that lasted from the Archaic period of the 8th to 6th centuries BC to the end of antiquity. Immediately following this period was the beginning of the Early Middle Ages and the Byzantine era. Included in Ancient Greece is the...

 city-states that his father had subdued, to Bactria
Bactria
Bactria and also appears in the Zend Avesta as Bukhdi. It is the ancient name of a historical region located between south of the Amu Darya and west of the Indus River...

 and parts of India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 in the east. It included Anatolia
Anatolia
Anatolia is a geographic and historical term denoting the westernmost protrusion of Asia, comprising the majority of the Republic of Turkey...

, the Levant
Levant
The Levant or ) is the geographic region and culture zone of the "eastern Mediterranean littoral between Anatolia and Egypt" . The Levant includes most of modern Lebanon, Syria, Jordan, Israel, the Palestinian territories, and sometimes parts of Turkey and Iraq, and corresponds roughly to the...

, Egypt
Egypt
Egypt , officially the Arab Republic of Egypt, Arabic: , is a country mainly in North Africa, with the Sinai Peninsula forming a land bridge in Southwest Asia. Egypt is thus a transcontinental country, and a major power in Africa, the Mediterranean Basin, the Middle East and the Muslim world...

, Babylonia
Babylonia
Babylonia was an ancient cultural region in central-southern Mesopotamia , with Babylon as its capital. Babylonia emerged as a major power when Hammurabi Babylonia was an ancient cultural region in central-southern Mesopotamia (present-day Iraq), with Babylon as its capital. Babylonia emerged as...

, and Persia
Achaemenid Empire
The Achaemenid Empire , sometimes known as First Persian Empire and/or Persian Empire, was founded in the 6th century BCE by Cyrus the Great who overthrew the Median confederation...

.

Without a chosen successor there was almost immediately a dispute among his generals as to who his successor should be. Meleager
Meleager (general)
Meleager was a Macedonian officer of distinction in the service of Alexander the Great.Meleager, son of Neoptolemus, is first mentioned in the war against the Getae . At the Granicus in the following year , he commanded one of the divisions of the phalanx, a post which he afterward held...

 and the infantry supported the candidacy of Alexander's half-brother, Arrhidaeus
Philip III of Macedon
Philip III Arrhidaeus was the king of Macedonia from after June 11, 323 BC until his death. He was a son of King Philip II of Macedonia by Philinna of Larissa, allegedly a Thessalian dancer, and a half-brother of Alexander the Great...

, while Perdiccas
Perdiccas
Perdiccas was one of Alexander the Great's generals. After Alexander's death in 323 BC he became regent of all Alexander's empire.Arrian tells us he was son of Orontes, a descendant of the independent princes of the Macedonian province of Orestis...

, the leading cavalry commander, supported waiting until the birth of Alexander's unborn child by Roxana
Roxana
Roxana sometimes Roxane, was a Bactrian noble and a wife of Alexander the Great. She was born earlier than the year 343 BC, though the precise date remains uncertain....

. A compromise was arranged – Arrhidaeus (as Philip III) should become King, and should rule jointly with Roxana's child, assuming that it was a boy (as it was, becoming Alexander IV
Alexander IV of Macedon
Alexander IV Aegus was the son of Alexander the Great and Princess Roxana of Bactria.-Birth:...

). Perdiccas himself would become Regent of the entire Empire, and Meleager his lieutenant. Soon, however, Perdiccas had Meleager and the other infantry leaders murdered, and assumed full control.

The other cavalry generals who had supported Perdiccas were rewarded in the partition of Babylon
Partition of Babylon
The Partition of Babylon designates the attribution of the territories of Alexander the Great between his generals after his death in 323 BC.-Background:...

 by becoming satrap
Satrap
Satrap was the name given to the governors of the provinces of the ancient Median and Achaemenid Empires and in several of their successors, such as the Sassanid Empire and the Hellenistic empires....

s of the various parts of the Empire. Ptolemy
Ptolemy I Soter
Ptolemy I Soter I , also known as Ptolemy Lagides, c. 367 BC – c. 283 BC, was a Macedonian general under Alexander the Great, who became ruler of Egypt and founder of both the Ptolemaic Kingdom and the Ptolemaic Dynasty...

 received Egypt; Laomedon
Laomedon of Mytilene
Laomedon , native of Mytilene and son of Larichus, was one of Alexander the Great's generals, and appears to have enjoyed a high place in his confidence even before the death of Philip II, as he was one of those banished by that monarch for taking part in the intrigues of the...

 received Syria
Syria
Syria , officially the Syrian Arab Republic , is a country in Western Asia, bordering Lebanon and the Mediterranean Sea to the West, Turkey to the north, Iraq to the east, Jordan to the south, and Israel to the southwest....

 and Phoenicia
Phoenicia
Phoenicia , was an ancient civilization in Canaan which covered most of the western, coastal part of the Fertile Crescent. Several major Phoenician cities were built on the coastline of the Mediterranean. It was an enterprising maritime trading culture that spread across the Mediterranean from 1550...

; Philotas
Philotas (satrap)
Philotas was a Macedonian officer in the service of Alexander the Great, who commanded one taxis or division of the phalanx during the advance into Sogdiana and India. It seems probable that he is the same person mentioned by Curtius, as one of those rewarded by the king at Babylon for their...

 took Cilicia
Cilicia
In antiquity, Cilicia was the south coastal region of Asia Minor, south of the central Anatolian plateau. It existed as a political entity from Hittite times into the Byzantine empire...

; Peithon
Peithon
Peithon or Pithon was the son of Crateuas, a nobleman from Eordaia in western Macedonia. One of the bodyguards of Alexander the Great, later satrap of Media and one of the diadochi....

 took Media
Medes
The MedesThe Medes...

; Antigonus
Antigonus I Monophthalmus
Antigonus I Monophthalmus , son of Philip from Elimeia, was a Macedonian nobleman, general, and satrap under Alexander the Great. During his early life he served under Philip II, and he was a major figure in the Wars of the Diadochi after Alexander's death, declaring himself king in 306 BC and...

 received Phrygia
Phrygia
In antiquity, Phrygia was a kingdom in the west central part of Anatolia, in what is now modern-day Turkey. The Phrygians initially lived in the southern Balkans; according to Herodotus, under the name of Bryges , changing it to Phruges after their final migration to Anatolia, via the...

, Lycia
Lycia
Lycia Lycian: Trm̃mis; ) was a region in Anatolia in what are now the provinces of Antalya and Muğla on the southern coast of Turkey. It was a federation of ancient cities in the region and later a province of the Roman Empire...

 and Pamphylia
Pamphylia
In ancient geography, Pamphylia was the region in the south of Asia Minor, between Lycia and Cilicia, extending from the Mediterranean to Mount Taurus . It was bounded on the north by Pisidia and was therefore a country of small extent, having a coast-line of only about 75 miles with a breadth of...

; Asander
Asander
Asander was the son of Philotas and brother of Parmenion. Alexander the Great appointed him in 334 BC governor of Lydia and the other parts of the satrapy of Spithridates, and also placed under his command an army strong enough to maintain the Macedonian authority...

 received Caria
Caria
Caria was a region of western Anatolia extending along the coast from mid-Ionia south to Lycia and east to Phrygia. The Ionian and Dorian Greeks colonized the west of it and joined the Carian population in forming Greek-dominated states there...

; Menander
Menander (general)
Menander was an officer in the service of Alexander the Great. He was one of those called etairoi, but he held the command of a body of mercenaries. He was appointed by Alexander to the government of Lydia, during the settlement of the affairs of Asia made by Alexander when at Tyre...

 received Lydia
Lydia
Lydia was an Iron Age kingdom of western Asia Minor located generally east of ancient Ionia in the modern Turkish provinces of Manisa and inland İzmir. Its population spoke an Anatolian language known as Lydian....

; Lysimachus
Lysimachus
Lysimachus was a Macedonian officer and diadochus of Alexander the Great, who became a basileus in 306 BC, ruling Thrace, Asia Minor and Macedon.-Early Life & Career:...

 received Thrace
Thrace
Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east...

; Leonnatus
Leonnatus
Leonnatus was a Macedonian officer of Alexander the Great and one of the diadochi.He was a member of the royal house of Lyncestis, a small kingdom that had been included in Macedonia by King Philip II of Macedon. Leonnatus was the same age as Alexander and was very close to him. Later, he was one...

 received Hellespontine Phrygia
Hellespontine Phrygia
Hellespontine Phrygia was an Achaemenid satrapy in ancient Anatolia, comprising lands of Troad, Mysia and Bithynia and whose seat was at Daskyleion, south of Cyzicus, Mysia. Pharnabazus was satrap of Darius III there, until Alexander the Great appointed Calas which was replaced by Arrhidaeus in the...

; and Neoptolemus
Neoptolemus (general)
For other uses, see Neoptolemus Neoptolemus was a Macedonian officer of Alexander the Great....

 had Armenia
Armenia
Armenia , officially the Republic of Armenia , is a landlocked mountainous country in the Caucasus region of Eurasia...

. Macedon and the rest of Greece were to be under the joint rule of Antipater
Antipater
Antipater was a Macedonian general and a supporter of kings Philip II of Macedon and Alexander the Great. In 320 BC, he became Regent of all of Alexander's Empire. Antipater was one of the sons of a Macedonian nobleman called Iollas or Iolaus and his family were distant collateral relatives to the...

, who had governed them for Alexander, and Craterus
Craterus
Craterus was a Macedonian general under Alexander the Great and one of the Diadochi.He was the son of a Macedonian nobleman named Alexander from Orestis and brother of admiral Amphoterus. Craterus commanded the phalanx and all infantry on the left wing in Battle of Issus...

, Alexander's most able lieutenant, while Alexander's old secretary, Eumenes of Cardia
Eumenes
Eumenes of Cardia was a Thracian general and scholar. He participated in the wars of the Diadochi as a supporter of the Macedonian Argead royal house.-Career:...

, was to receive Cappadocia
Cappadocia
Cappadocia is a historical region in Central Anatolia, largely in Nevşehir Province.In the time of Herodotus, the Cappadocians were reported as occupying the whole region from Mount Taurus to the vicinity of the Euxine...

 and Paphlagonia
Paphlagonia
Paphlagonia was an ancient area on the Black Sea coast of north central Anatolia, situated between Bithynia to the west and Pontus to the east, and separated from Phrygia by a prolongation to the east of the Bithynian Olympus...

.

In the east, Perdiccas largely left Alexander's arrangements intact – Taxiles
Taxiles
Taksxila was the Greek chroniclers' name for a prince or king who reigned over the tract between the Indus and the Hydaspes Rivers in the Punjab at the period of the expedition of Alexander the Great, 327 BC...

 and Porus ruled over their kingdoms in India; Alexander's father-in-law Oxyartes
Oxyartes
Oxyartes was a Bactrian, father of Roxana, the wife of Alexander of Macedon. He is first mentioned as one of the chiefs who accompanied Bessus on his retreat across the Oxus river into Sogdiana...

 ruled Gandara
Gandara
Gandara may refer to:People:*Raúl Gándara-Cartagena, long-time Ponce fire chiefPlaces:*Gandara, Samar, a Philippine municipality*Gandara, Buenos Aires, a village in Chascomús Partido, Argentina*Gándara, a river in Cantabria, Spain...

; Sibyrtius
Sibyrtius
Sibyrtius was a Greek officer from Crete in the service of Alexander the Great, who was appointed by him, on his return from India , governor of the province of Carmania. This post he shortly after exchanged for the more important satrapy of Arachosia and Gedrosia, to which he succeeded on the...

 ruled Arachosia
Arachosia
Arachosia is the Latinized form of the Greek name of an Achaemenid and Seleucid governorate in the eastern part of their respective empires, around modern-day southern Afghanistan. The Greek term "Arachosia" corresponds to the Iranian land of Harauti which was between Kandahar in Afghanistan and...

 and Gedrosia
Gedrosia
Gedrosia from Pashto Gwadar-khua is the hellenized name of an area that corresponds to today's Balochistan. Eastern Balochistan is southwestern province of Pakistan and parts of southwestern and south-central Afghanistan and western Balochistan is divided between Iranian provinces of Hormozgan and...

; Stasanor
Stasanor
Stasanor was a native of Soli in Cyprus who held a distinguished position among the officers of Alexander the Great.-Stasanor, officer of Alexander:...

 ruled Aria and Drangiana
Drangiana
Drangiana or Zarangiana was a historical region of the Achaemenid Empire. This region comprises territory around lake Hâmûn, wetlands in endorheic Sīstān basin on the Irano-Afghan-Pakistan border, and its primary watershed Helmand river in nowadays southwestern Afghanistan and the "Nok Kondi" of...

; Philip
Philip (satrap)
Philip was satrap of Sogdiana, to which government he was first appointed by Alexander the Great himself in 327 BC...

 ruled Bactria
Bactria
Bactria and also appears in the Zend Avesta as Bukhdi. It is the ancient name of a historical region located between south of the Amu Darya and west of the Indus River...

 and Sogdiana
Sogdiana
Sogdiana or Sogdia was the ancient civilization of an Iranian people and a province of the Achaemenid Empire, eighteenth in the list on the Behistun Inscription of Darius the Great . Sogdiana is "listed" as the second of the "good lands and countries" that Ahura Mazda created...

; Phrataphernes
Phrataphernes
Phrataphernes was a Persian who held the government of Parthia and Hyrcania, under the king Darius III Codomannus, and joined that monarch with the contingents from the provinces subject to his rule, shortly before the battle of Gaugamela, 331 BC...

 ruled Parthia
Parthia
Parthia is a region of north-eastern Iran, best known for having been the political and cultural base of the Arsacid dynasty, rulers of the Parthian Empire....

 and Hyrcania
Hyrcania
Hyrcania was the name of a satrapy located in the territories of present day Gilan, Golestan, Mazandaran and part of Turkmenistan, lands south of the Caspian Sea. To the Greeks, the Caspian Sea was the "Hyrcanian Sea".-Etymology:...

; Peucestas
Peucestas
Peucestas was a native of the town of Mieza, in Macedonia, and a distinguished officer in the service of Alexander the Great. His name is first mentioned as one of those appointed to command a trireme on the Hydaspes...

 governed Persis; Tlepolemus
Tlepolemus (general)
For other persons with the same name, see Tlepolemus Tlepolemus was the son of Pythophanes and one of the hetairoi of Alexander the Great, who was joined in the government of the Parthians and Hyrcanii with Amminapes, a Parthian, whom Alexander had appointed satrap of those provinces...

 had charge over Carmania
Carmania
Carmania may refer to* Carmania, ancient satrapy of the Achaemenid Persian empire.* Carmania - a diecast model producer.* Kermān Province in the south-east of Iran.* RMS Carmania , a Cunard liner built 1905...

; Atropates
Atropates
Atropates was a Persian nobleman who served Darius III, then Alexander III of Macedon, and eventually founded an independent kingdom and dynasty that was named after him...

 governed northern Media; Archon
Archon of Pella
Archon was a Pellaean, appointed satrap of Babylonia after the death of Alexander the Great , is probably the same as the son of Cleinias mentioned in the Indian expedition of Alexander. He perished in 321 BC in a fight against Docimus. As it is proved from an inscription in Delphi, Archon had...

 got Babylonia
Babylonia
Babylonia was an ancient cultural region in central-southern Mesopotamia , with Babylon as its capital. Babylonia emerged as a major power when Hammurabi Babylonia was an ancient cultural region in central-southern Mesopotamia (present-day Iraq), with Babylon as its capital. Babylonia emerged as...

; and Arcesilas ruled northern Mesopotamia
Mesopotamia
Mesopotamia is a toponym for the area of the Tigris–Euphrates river system, largely corresponding to modern-day Iraq, northeastern Syria, southeastern Turkey and southwestern Iran.Widely considered to be the cradle of civilization, Bronze Age Mesopotamia included Sumer and the...

.

Lamian War

The news of Alexander's death had inspired a revolt in Greece, known as the Lamian War
Lamian War
The “Lamian War”, also referred to as the “Hellenic War” and the “War against Antipater”, was fought by the Athenians and their Aetolian, Locrian, and Phocian allies against the Macedonians in Thessaly during the winter of 323–322 BC...

. Athens
Athens
Athens , is the capital and largest city of Greece. Athens dominates the Attica region and is one of the world's oldest cities, as its recorded history spans around 3,400 years. Classical Athens was a powerful city-state...

 and other cities joined together, ultimately besieging Antipater in the fortress of Lamia
Lamia (city)
Lamia is a city in central Greece. The city has a continuous history since antiquity, and is today the capital of the regional unit of Phthiotis and of the Central Greece region .-Name:...

. Antipater was relieved by a force sent by Leonnatus
Leonnatus
Leonnatus was a Macedonian officer of Alexander the Great and one of the diadochi.He was a member of the royal house of Lyncestis, a small kingdom that had been included in Macedonia by King Philip II of Macedon. Leonnatus was the same age as Alexander and was very close to him. Later, he was one...

, who was killed in action, but the war did not come to an end until Craterus's arrival with a fleet to defeat the Athenians at the Battle of Crannon
Battle of Crannon
The Battle of Crannon , fought between the Macedonian forces of Antipater and Craterus and rebellious Greek forces led by the Athenians, was the decisive battle of the Lamian War. Macedonian victory, though militarily unspectacular, convinced the Greeks to sue for peace...

 on September 5, 322 BC. For a time, this brought an end to Greek resistance to Macedonian domination. Meanwhile, Peithon suppressed a revolt of Greek settlers in the eastern parts of the Empire, and Perdiccas and Eumenes subdued Cappadocia
Cappadocia
Cappadocia is a historical region in Central Anatolia, largely in Nevşehir Province.In the time of Herodotus, the Cappadocians were reported as occupying the whole region from Mount Taurus to the vicinity of the Euxine...

.

First War of the Diadochi, 322–320 BC

Soon, however, conflict broke out. Perdiccas
Perdiccas
Perdiccas was one of Alexander the Great's generals. After Alexander's death in 323 BC he became regent of all Alexander's empire.Arrian tells us he was son of Orontes, a descendant of the independent princes of the Macedonian province of Orestis...

' marriage to Alexander's sister Cleopatra
Cleopatra of Macedonia
Cleopatra of Macedon , or Cleopatra of Epirus, was an Epirote-Macedonian princess and later queen regent of Epirus. The daughter of King Philip of Macedon and Olympias of Epirus, she was the only full sibling of Alexander the Great...

 led Antipater, Craterus, Antigonus, and Ptolemy to join together in rebellion. The actual outbreak of war was triggered by Ptolemy's theft of Alexander's body, and diversion of it to Egypt. Although Eumenes defeated the rebels in Asia Minor, in a battle at which Craterus was killed, it was all for nought, as Perdiccas himself was murdered by his own generals Peithon, Seleucus
Seleucus I Nicator
Seleucus I was a Macedonian officer of Alexander the Great and one of the Diadochi. In the Wars of the Diadochi that took place after Alexander's death, Seleucus established the Seleucid dynasty and the Seleucid Empire...

, and Antigenes during an invasion of Egypt.

Ptolemy came to terms with Perdiccas's murderers, making Peithon and Arrhidaeus
Arrhidaeus
Arrhidaeus , one of Alexander the Great's generals, was entrusted with the conduct of Alexander's funeral to Egypt in 323 BC...

 regents in his place, but soon these came to a new agreement with Antipater at the Treaty of Triparadisus. Antipater was made regent of the Empire, and the two kings were moved to Macedon. Antigonus remained in charge of Phrygia, Lycia, and Pamphylia, to which was added Lycaonia
Lycaonia
In ancient geography, Lycaonia was a large region in the interior of Asia Minor, north of Mount Taurus. It was bounded on the east by Cappadocia, on the north by Galatia, on the west by Phrygia and Pisidia, while to the south it extended to the chain of Mount Taurus, where it bordered on the...

. Ptolemy retained Egypt, Lysimachus retained Thrace, while the three murderers of Perdiccas—Seleucus, Peithon, and Antigenes—were given the provinces of Babylonia, Media, and Susiana
Elam
Elam was an ancient civilization located in what is now southwest Iran. Elam was centered in the far west and the southwest of modern-day Iran, stretching from the lowlands of Khuzestan and Ilam Province, as well as a small part of southern Iraq...

 respectively. Arrhidaeus, the former Regent, received Hellespontine Phrygia. Antigonus was charged with the task of rooting out Perdiccas's former supporter, Eumenes. In effect, Antipater retained for himself control of Europe, while Antigonus, as leader of the largest army east of the Hellespont, held a similar position in Asia.

Second War of the Diadochi, 319–315 BC

War soon broke out again, however, following the death of Antipater in 319 BC. Passing over his own son, Cassander
Cassander
Cassander , King of Macedonia , was a son of Antipater, and founder of the Antipatrid dynasty...

, Antipater had declared Polyperchon
Polyperchon
Polyperchon , son of Simmias from Tymphaia in Epirus, was a Macedonian general who served under Philip II and Alexander the Great, accompanying Alexander throughout his long journeys. After the return to Babylon, Polyperchon was sent back to Macedon with Craterus, but had only reached Cilicia by...

 his successor as Regent. A civil war soon broke out in Macedon and Greece between Polyperchon and Cassander, with the latter supported by Antigonus and Ptolemy. Polyperchon allied himself to Eumenes in Asia, but was driven from Macedonia by Cassander, and fled to Epirus
Epirus
The name Epirus, from the Greek "Ήπειρος" meaning continent may refer to:-Geographical:* Epirus - a historical and geographical region of the southwestern Balkans, straddling modern Greece and Albania...

 with the infant king Alexander IV and his mother Roxane. In Epirus he joined forces with Olympias
Olympias
Olympias was a Greek princess of Epirus, daughter of king Neoptolemus I of Epirus, the fourth wife of the king of Macedonia, Philip II, and mother of Alexander the Great...

, Alexander's mother, and together they invaded Macedon again. They were met by an army commanded by King Philip Arrhidaeus and his wife Eurydice, which immediately defected, leaving the king and Eurydice to Olympias's not so tender mercies, and they were killed (317 BC). Soon after, though, the tide turned, and Cassander was victorious, capturing and killing Olympias, and attaining control of Macedon, the boy king, and his mother.

In the east, Eumenes was gradually driven back into the east by Antigonus's forces. After great battles at
Paraitacene
Battle of Paraitacene
The Battle of Paraitacene was a battle in the wars of the successors of Alexander the Great between Antigonus I Monophthalmus and Eumenes. It was fought in 317 BC.-Background:...

 in 317 BC and at Gabiene
Battle of Gabiene
Battle of Gabiene was a second great battle between two of Alexander the Great's successors: Antigonus and Eumenes in the wars of the Diadochi.-Background:...

 in 316 BC, Eumenes was eventually betrayed and murdered by his own troops in 315 BC, leaving Antigonus in undisputed control of the Asian territories of the Empire.

Third War of the Diadochi, 314–311 BC

In this war, Antigonus, who had grown too powerful for the other rulers to tolerate him, faced Ptolemy, Lysimachus, and Cassander. Antigonus invaded Syria, under Ptolemy's control, and besieged Tyre for more than a year. Antigonus allied himself to Polyperchon, who still controlled part of the Peloponnese
Peloponnese
The Peloponnese, Peloponnesos or Peloponnesus , is a large peninsula , located in a region of southern Greece, forming the part of the country south of the Gulf of Corinth...

, and proclaimed freedom for the Greeks to get them on his side. But although Cassander was tempted to conclude peace with Antigonus, in Asia the war turned against the one-eyed general. A force sent by Antigonus under the officer Athenaeus failed to subdue the Nabataeans
Nabataeans
Thamudi3.jpgThe Nabataeans, also Nabateans , were ancient peoples of southern Canaan and the northern part of Arabia, whose oasis settlements in the time of Josephus , gave the name of Nabatene to the borderland between Syria and Arabia, from the Euphrates to the Red Sea...

. Ptolemy invaded Syria (and defeated Antigonus' son, Demetrius Poliorcetes
Demetrius I of Macedon
Demetrius I , called Poliorcetes , son of Antigonus I Monophthalmus and Stratonice, was a king of Macedon...

, in the Battle of Gaza
Battle of Gaza (312 BC)
The Battle of Gaza was a battle of the Third war of the Diadochi between Ptolemy and Demetrius .Ptolemy launched an invasion of Syria...

, 312 BC
312 BC
Year 312 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Corvus and Mus...

) and Seleucus
Seleucus I Nicator
Seleucus I was a Macedonian officer of Alexander the Great and one of the Diadochi. In the Wars of the Diadochi that took place after Alexander's death, Seleucus established the Seleucid dynasty and the Seleucid Empire...

 secured control of Babylon
Babylon
Babylon was an Akkadian city-state of ancient Mesopotamia, the remains of which are found in present-day Al Hillah, Babil Province, Iraq, about 85 kilometers south of Baghdad...

, and thus, of the eastern reaches of Alexander's empire. Although Antigonus now concluded a compromise peace with Ptolemy, Lysimachus, and Cassander, he continued the war with Seleucus, attempting to recover control of the eastern reaches of the Empire. Although he went so far as to enter Babylon in 310 BC
310 BC
Year 310 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Rullianus and Censorinus...

, the Babylonian War
Babylonian War
The Babylonian War was a conflict fought between 311-309 BC between the Diadochi kings Antigonus Monophthalmus and Seleucus I Nicator, ending in a victory for the latter...

 (311–309) ended in Antigonus' defeat.

At about the same time, Cassander had young King Alexander IV and his mother Roxane murdered, ending the Argead Dynasty
Argead dynasty
The Argead dynasty was an ancient Greek royal house. They were the ruling dynasty of Macedonia from about 700 to 310 BC. Their tradition, as described in ancient Greek historiography, traced their origins to Argos, in southern Greece...

 which had ruled Macedon for several centuries. For the moment, all of the various generals continued to recognize the dead Alexander as King, since Cassander did not publicly announce the deaths, but it seemed clear that at some point, one or the other of them would claim the Kingship.

Fourth War of the Diadochi, 308–301 BC

War soon broke out again. Ptolemy had been expanding his power into the Aegean
Aegean Sea
The Aegean Sea[p] is an elongated embayment of the Mediterranean Sea located between the southern Balkan and Anatolian peninsulas, i.e., between the mainlands of Greece and Turkey. In the north, it is connected to the Marmara Sea and Black Sea by the Dardanelles and Bosporus...

 and to Cyprus
Cyprus
Cyprus , officially the Republic of Cyprus , is a Eurasian island country, member of the European Union, in the Eastern Mediterranean, east of Greece, south of Turkey, west of Syria and north of Egypt. It is the third largest island in the Mediterranean Sea.The earliest known human activity on the...

, while Seleucus went on a tour of the east to consolidate his control of the vast eastern territories of Alexander's Empire. Antigonus resumed the war, sending his son Demetrius to regain control of Greece. In 307 he took Athens, expelling Demetrius of Phaleron, Cassander's governor, and proclaiming the city free again. Demetrius now turned his attention to Ptolemy, invading Cyprus and defeating Ptolemy's fleet at the Battle of Salamis
Battle of Salamis in Cyprus (306 BC)
The naval Battle of Salamis took place in 306 BC near Salamis, Cyprus between the fleets of Ptolemy I of Egypt and Demetrius, two of the diadochi, the successors to Alexander the Great...

. In the aftermath of this victory, Antigonus and Demetrius both assumed the crown, and they were shortly followed by Ptolemy, Seleucus, Lysimachus, and eventually Cassander.

In 306, Antigonus attempted to invade Egypt, but storms prevented Demetrius's fleet from supplying him, and he was forced to return home. Now, with Cassander and Ptolemy both weakened, and Seleucus still occupied in the East, Antigonus and Demetrius turned their attention to Rhodes
Rhodes
Rhodes is an island in Greece, located in the eastern Aegean Sea. It is the largest of the Dodecanese islands in terms of both land area and population, with a population of 117,007, and also the island group's historical capital. Administratively the island forms a separate municipality within...

, which was besieged by Demetrius's forces in 305 BC
305 BC
Year 305 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Megellus and Augurinus...

 (see siege of Rhodes
Siege of Rhodes
The Siege of Rhodes was one of the most notable sieges of Antiquity, when Demetrius Poliorcetes, son of Antigonus I, besieged Rhodes in an attempt to break its alliance with Ptolemaic Egypt.- Background :...

). The island was reinforced by troops from Ptolemy, Lysimachus, and Cassander. Ultimately, the Rhodians reached a compromise with Demetrius – they would support Antigonus and Demetrius against all enemies, save their great ally Ptolemy. Ptolemy took the title of Soter ("Savior") for his role in preventing the fall of Rhodes, but the victory was ultimately Demetrius's, as it left him with a free hand to attack Cassander in Greece. Demetrius returned to Greece, defeated Cassander, and formed a new Hellenic League, with himself as General, to defend the Greek cities against all enemies (and particularly Cassander).

In the face of these catastrophes, Cassander sued for peace, but Antigonus rejected the claims, and Demetrius invaded Thessaly
Thessaly
Thessaly is a traditional geographical region and an administrative region of Greece, comprising most of the ancient region of the same name. Before the Greek Dark Ages, Thessaly was known as Aeolia, and appears thus in Homer's Odyssey....

, where he and Cassander faced off against each other in inconclusive engagements. But now Cassander called in aid from his allies, and Anatolia was invaded by Lysimachus, forcing Demetrius to leave Thessaly and send his armies to Asia Minor to assist his father. With assistance from Cassander, Lysimachus overran much of western Anatolia, but was soon (301 BC
301 BC
Year 301 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Dictatorship of Corvus...

) isolated by Antigonus and Demetrius near Ipsus. Here came the decisive intervention from Seleucus, who arrived in time to save Lysimachus from disaster and utterly crush Antigonus at the Battle of Ipsus
Battle of Ipsus
The Battle of Ipsus was fought between some of the Diadochi in 301 BC near the village of that name in Phrygia...

. Antigonus was killed in the fight, and Demetrius fled back to Greece to attempt to preserve the remnants of his rule there. Lysimachus and Seleucus divided up Antigonus's Asian territories between them, with Lysimachus receiving western Asia Minor and Seleucus the rest, except Cilicia and Lycia, which went to Cassander's brother Pleistarchus
Pleistarchus (Antipatrid)
For other uses, see PleistarchusPleistarchus or Plistarch was son of Antipater and brother of Cassander, king of Macedonia. He is first mentioned in the year 313 BC, when he was left by his brother in the command of Chalcis, to make headway against Ptolemy, the general of Antigonus, when Cassander...

.

The struggle over Macedon, 298–285 BC

The events of the next decade and a half were centered around various intrigues for control of Macedon itself. Cassander died in 298 BC
298 BC
Year 298 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Barbatus and Centumalus...

, and his sons, Antipater
Antipater II of Macedon
Antipater II of Macedon , was the son of Cassander and Thessalonike of Macedon, who was a half-sister of Alexander the Great. He was king of Macedon from 297 BC until 294 BC, jointly with his brother Alexander V. Eventually, he murdered his mother and ousted his brother from the throne...

 and Alexander
Alexander V of Macedon
Alexander V of Macedon was the third and youngest son of Cassander and Thessalonica of Macedon, who was a half-sister of Alexander the Great. He ruled as King of Macedon along with his brother Antipater from 297 to 294 BC...

, proved weaklings. After quarreling with his older brother, Alexander V called in Demetrius, who had retained control of Cyprus, the Peloponnese, and many of the Aegean islands, and had quickly seized control of Cilicia and Lycia from Cassander's brother, as well as Pyrrhus
Pyrrhus of Epirus
Pyrrhus or Pyrrhos was a Greek general and statesman of the Hellenistic era. He was king of the Greek tribe of Molossians, of the royal Aeacid house , and later he became king of Epirus and Macedon . He was one of the strongest opponents of early Rome...

, the King of Epirus
Epirus
The name Epirus, from the Greek "Ήπειρος" meaning continent may refer to:-Geographical:* Epirus - a historical and geographical region of the southwestern Balkans, straddling modern Greece and Albania...

. After Pyrrhus had intervened to seize the border region of Ambracia
Ambracia
Ambracia, occasionally Ampracia , was an ancient Corinthian colony, situated about 7 miles from the Ambracian Gulf in Greece, on a bend of the navigable river Arachthos , in the midst of a fertile wooded plain.-History:...

, Demetrius invaded, killed Alexander, and seized control of Macedon for himself (294 BC
294 BC
Year 294 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Megellus and Regulus...

). While Demetrius consolidated his control of mainland Greece, his outlying territories were invaded and captured by Lysimachus (who recovered western Anatolia), Seleucus (who took most of Cilicia), and Ptolemy (who recovered Cyprus, eastern Cilicia, and Lycia).

Soon, Demetrius was forced from Macedon by a rebellion supported by the alliance of Lysimachus and Pyrrhus, who divided the Kingdom between them, and, leaving Greece to the control of his son, Antigonus Gonatas
Antigonus II Gonatas
Antigonus II Gonatas was a powerful ruler who firmly established the Antigonid dynasty in Macedonia and acquired fame for his victory over the Gauls who had invaded the Balkans.-Birth and family:...

, Demetrius launched an invasion of the east in 287 BC
287 BC
Year 287 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Marcellus and Rutilus...

. Although initially successful, Demetrius was ultimately captured by Seleucus (286 BC
286 BC
Year 286 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Corvus and Paetus...

), drinking himself to death two years later.

The struggle of Lysimachus and Seleucus, 285–281 BC

Although Lysimachus and Pyrrhus had cooperated in driving Antigonus Gonatas from Thessaly and Athens, in the wake of Demetrius's capture they soon fell out, with Lysimachus driving Pyrrhus from his share of Macedon.

Dynastic struggles also rent Egypt, where Ptolemy decided to make his younger son Ptolemy Philadelphus
Ptolemy II Philadelphus
Ptolemy II Philadelphus was the king of Ptolemaic Egypt from 283 BCE to 246 BCE. He was the son of the founder of the Ptolemaic kingdom Ptolemy I Soter and Berenice, and was educated by Philitas of Cos...

 his heir rather than the elder, Ptolemy Ceraunus. Ceraunus fled to Seleucus. The eldest Ptolemy died peacefully in his bed in 282 BC
282 BC
Year 282 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Luscinus and Papus...

, and Philadelphus succeeded him.

Soon Lysimachus made the fatal mistake of having his son Agathocles
Agathocles (son of Lysimachus)
Agathocles was a Greek Prince who was of Macedonian and Thessalian descent. He was the son born to the diadochus Lysimachus from his first wife the Queen consort, Nicaea a daughter of the powerful regent Antipater...

 murdered at the say-so of his second wife, Arsinoe
Arsinoe II of Egypt
For other uses see, ArsinoeArsinoë II was a Ptolemaic Greek Princess of Ancient Egypt and through marriage was of Queen Thrace, Asia Minor and Macedonia as wife of King Lysimachus and later co-ruler of Egypt with her brother-husband Ptolemy II Philadelphus For other uses see, ArsinoeArsinoë II...

 (282 BC
282 BC
Year 282 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Luscinus and Papus...

). Agathocles's widow, Lysandra
Lysandra
Lysandra was a daughter of Ptolemy I Soter and Eurydice, a daughter of Antipater....

, fled to Seleucus, who now made war upon Lysimachus. Seleucus, after appointing his son Antiochus
Antiochus I Soter
Antiochus I Soter , was a king of the Hellenistic Seleucid Empire. He reigned from 281 BC - 261 BC....

 ruler of his Asian territories, defeated and killed Lysimachus at the Battle of Corupedium
Battle of Corupedium
The Battle of Corupedium, also called Corupedion or Curupedion is the name of the last battle of the Diadochi, the rival successors to Alexander the Great. It was fought in 281 BC between the armies of Lysimachus and Seleucus I Nicator. Lysimachus had ruled Thrace for decades and parts of modern...

 in Lydia in 281 BC
281 BC
Year 281 BC was a year of the pre-Julian Roman calendar. At the time it was known as the Year of the Consulship of Barbula and Philippus...

, but Seleucus did not live to enjoy his triumph for long – he was almost immediately murdered by Ptolemy Ceraunus, for reasons that remain unclear.

The Gallic invasions and consolidation, 280–275 BC

Ptolemy Ceraunus was also not to enjoy the rule of Macedon for very long. The death of Lysimachus had left the Danube
Danube
The Danube is a river in the Central Europe and the Europe's second longest river after the Volga. It is classified as an international waterway....

 border of the Macedonian kingdom open to barbarian
Barbarian
Barbarian and savage are terms used to refer to a person who is perceived to be uncivilized. The word is often used either in a general reference to a member of a nation or ethnos, typically a tribal society as seen by an urban civilization either viewed as inferior, or admired as a noble savage...

 invasions, and soon tribes of Gauls
Gauls
The Gauls were a Celtic people living in Gaul, the region roughly corresponding to what is now France, Belgium, Switzerland and Northern Italy, from the Iron Age through the Roman period. They mostly spoke the Continental Celtic language called Gaulish....

 were rampaging
Gallic invasion of the Balkans
Gallic groups, originating from the various La Tène chiefdoms, began a south-eastern movement into the Balkan peninsula from the 4th century BC. Although Celtic settlements were concentrated in the western half of the Carpathian basin, there were notable incursions, and settlements, within the...

 through Macedon and Greece, and invading Asia Minor. Ptolemy Ceraunus was killed by the invaders, and after several years of chaos, none other than Antigonus Gonatas emerged as ruler of Macedon. In Asia, Seleucus's son, Antiochus I, also managed to defeat the Celt
Celt
The Celts were a diverse group of tribal societies in Iron Age and Roman-era Europe who spoke Celtic languages.The earliest archaeological culture commonly accepted as Celtic, or rather Proto-Celtic, was the central European Hallstatt culture , named for the rich grave finds in Hallstatt, Austria....

ic invaders, who settled down in central Anatolia
Anatolia
Anatolia is a geographic and historical term denoting the westernmost protrusion of Asia, comprising the majority of the Republic of Turkey...

 in the part of eastern Phrygia that would henceforward be known as Galatia
Galatia
Ancient Galatia was an area in the highlands of central Anatolia in modern Turkey. Galatia was named for the immigrant Gauls from Thrace , who settled here and became its ruling caste in the 3rd century BC, following the Gallic invasion of the Balkans in 279 BC. It has been called the "Gallia" of...

 after them.

Now, at long last, almost fifty years after Alexander's death, some sort of order was restored. Ptolemy ruled over Egypt, southern Syria (known as Coele-Syria
Coele-Syria
Coele-Syria , or Cœle-Syria or Celesyria, traditionally given the meaning 'hollow' Syria, was the region of southern Syria disputed between the Seleucid dynasty and the Ptolemaic dynasty. Rather than limiting the Greek term to the Beqaa Valley of Lebanon, it is often used to cover the entire area...

), and various territories on the southern coast of Asia Minor. Antiochus ruled the vast Asian territories of the Empire, while Macedon and Greece (with the exception of the Aetolian League
Aetolian League
The Aetolian League was a confederation of tribal communities and cities in ancient Greece centered on Aetolia in central Greece. It was established, probably during the early Hellenistic era, in opposition to Macedon and the Achaean League. Two annual meetings were held in Thermika and Panaetolika...

), fell to Antigonus.

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