Africa

• Ashanti Confederacy - Kwaku Dua I Panyin
  Kwaku Dua I Panyin
  Kwaku Dua I Panyin, or Barima Fredua Agyeman was the Asantehene from August 25, 1834 until his death in 1867....
  
  , Asantehene (1834–1867)
• Buganda
  Buganda
  Buganda is a subnational kingdom within Uganda. The kingdom of the Ganda people, Buganda is the largest of the traditional kingdoms in present-day Uganda, comprising all of Uganda's Central Region, including the Ugandan capital Kampala, with the exception of the disputed eastern Kayunga District...
  
  - Suna II
  Suna II of Buganda
  Suuna II Kalema Kasinjo Mukaabya Sekkyungwa Muteesa Sewankambo Walugembe Mig'ekyaamye Lukeberwa Kyetutumula Magulunyondo Luwambya Omutanda Sseggwanga was Kabaka of the Kingdom of Buganda from 1832 until 1856. He was the twenty-ninth Kabaka of Buganda....
  
  , King of Buganda (1836–1856)
• Bunyoro
  Bunyoro
  Bunyoro is a kingdom in Western Uganda. It was one of the most powerful kingdoms in East Africa from the 16th to the 19th century. It is ruled by the Omukama of Bunyoro...
  
  - Nyabongo II, Omukama of Bunyoro
  Omukama of Bunyoro
  Omukama of Bunyoro is the title given to rulers of the central African kingdom of Bunyoro-Kitara. The kingdom lasted as an independent state from the 16th to the 19th century. The Omukama of Bunyoro remains an important figure in Ugandan politics, especially among the Banyoro people of whom he...
  
   (1835–1848)
• Burundi
  Burundi
  Burundi , officially the Republic of Burundi , is a landlocked country in the Great Lakes region of Eastern Africa bordered by Rwanda to the north, Tanzania to the east and south, and the Democratic Republic of the Congo to the west. Its capital is Bujumbura...
  
  - Ntare IV Rugamba, King of Burundi (1796–1852)
• Dahomey - Gézo, King of Dahomey (1818–1856)
• Rwanda
  Rwanda
  Rwanda or , officially the Republic of Rwanda , is a country in central and eastern Africa with a population of approximately 11.4 million . Rwanda is located a few degrees south of the Equator, and is bordered by Uganda, Tanzania, Burundi and the Democratic Republic of the Congo...
  
  - Mutara II Rwogera
  Mutara II Rwogera
  Mutara II Rwogera was the King of Rwanda from 1830 to 1853.- External links :*...
  
  , King of Rwanda (1830–1853)
• Sokoto Caliphate
  • Caliph - Abu Bakr Atiku
    Abu Bakr Atiku
    Abu Bakr Atiku was sultan of the Sokoto Caliphate or Fulani Empire from 26 October 1837 until November 1842. He was the brother of Muhammed Bello....
    
    , Sokoto Caliph (1837–1842)
  • Grand Vizier - Gidago dan Laima
    Gidago dan Laima
    Gidago dan Laima is the first known Grand Vizier of the Sokoto Caliphate.Gidago dan Laima was succeeded by Abd al-Qadir in 1842....
    
    , Sokoto Grand Vizier
    Sokoto Grand Vizier
    The Wazirin Sakkwato, or "Sokoto Grand Vizier", was the Grand Vizier to the Sultan of Sokoto of the Fulani Empire, in fact rather suzerain of the Fulani Jihad states.-List of Grand Viziers:*Gidago dan Laima...
    
     (1817–1842)
• Zulu - Dingane
  Dingane
  Dingane kaSenzangakhona Zulu —commonly referred to as Dingane or Dingaan—was a Zulu chief who became king of the Zulu Kingdom in 1828...
  
  , King of the Zulu (1828–1840)

Asia

• Afghanistan
  Afghanistan
  Afghanistan , officially the Islamic Republic of Afghanistan, is a landlocked country located in the centre of Asia, forming South Asia, Central Asia and the Middle East. With a population of about 29 million, it has an area of , making it the 42nd most populous and 41st largest nation in the world...
  
  - Dost Mahommed Khan, Emir of Afghanistan (1826–1839)
• China (Qing Dynasty
  Qing Dynasty
  The Qing Dynasty was the last dynasty of China, ruling from 1644 to 1912 with a brief, abortive restoration in 1917. It was preceded by the Ming Dynasty and followed by the Republic of China....
  
  ) - Daoguang, Emperor of China
  Emperor of China
  The Emperor of China refers to any sovereign of Imperial China reigning between the founding of Qin Dynasty of China, united by the King of Qin in 221 BCE, and the fall of Yuan Shikai's Empire of China in 1916. When referred to as the Son of Heaven , a title that predates the Qin unification, the...
  
   (1821–1850)
• Japan
  Empire of Japan
  The Empire of Japan is the name of the state of Japan that existed from the Meiji Restoration on 3 January 1868 to the enactment of the post-World War II Constitution of...
  
  
  • Monarch - Ninko, Emperor of Japan
    Emperor of Japan
    The Emperor of Japan is, according to the 1947 Constitution of Japan, "the symbol of the state and of the unity of the people." He is a ceremonial figurehead under a form of constitutional monarchy and is head of the Japanese Imperial Family with functions as head of state. He is also the highest...
    
     (1817–1846)
  • Shogun (Tokugawa
    Tokugawa shogunate
    The Tokugawa shogunate, also known as the and the , was a feudal regime of Japan established by Tokugawa Ieyasu and ruled by the shoguns of the Tokugawa family. This period is known as the Edo period and gets its name from the capital city, Edo, which is now called Tokyo, after the name was...
    
    ) - Tokugawa Ieyoshi
    Tokugawa Ieyoshi
    Tokugawa Ieyoshi was the 12th shogun of the Tokugawa shogunate of Japan.He was the second son of the 11th shogun, Tokugawa Ienari, and appointed Mizuno Tadakuni to conduct the Tenpo reform....
    
    , Shogun of Japan
    Shogun
    A was one of the hereditary military dictators of Japan from 1192 to 1867. In this period, the shoguns, or their shikken regents , were the de facto rulers of Japan though they were nominally appointed by the emperor...
    
     (1837–1853)
  • Ryūkyū Kingdom
    Ryukyu Kingdom
    The Ryūkyū Kingdom was an independent kingdom which ruled most of the Ryukyu Islands from the 15th century to the 19th century. The Kings of Ryūkyū unified Okinawa Island and extended the kingdom to the Amami Islands in modern-day Kagoshima Prefecture, and the Sakishima Islands near Taiwan...
    
     - Shō Iku, King of Ryūkyū (1829–1847)
• Korea
  Korea
  Korea ) is an East Asian geographic region that is currently divided into two separate sovereign states — North Korea and South Korea. Located on the Korean Peninsula, Korea is bordered by the People's Republic of China to the northwest, Russia to the northeast, and is separated from Japan to the...
  
  (Joseon Dynasty
  Joseon Dynasty
  Joseon , was a Korean state founded by Taejo Yi Seong-gye that lasted for approximately five centuries. It was founded in the aftermath of the overthrow of the Goryeo at what is today the city of Kaesong. Early on, Korea was retitled and the capital was relocated to modern-day Seoul...
  
  ) - Heonjong, King of Joseon (1834–1849)

Europe

• Abkhazia
  Abkhazia
  Abkhazia is a disputed political entity on the eastern coast of the Black Sea and the south-western flank of the Caucasus.Abkhazia considers itself an independent state, called the Republic of Abkhazia or Apsny...
  
  - Mikheil, Prince of Abkhazia (1822–1864)
• Andorra
  Andorra
  Andorra , officially the Principality of Andorra , also called the Principality of the Valleys of Andorra, , is a small landlocked country in southwestern Europe, located in the eastern Pyrenees mountains and bordered by Spain and France. It is the sixth smallest nation in Europe having an area of...
  
  -
  • Simó Rojas de Guardiola i Hortoneda, Bishop of Urgell (1828–1851)
  • Louis-Philippe I, King of France (1830–1848)
• Austria
  Austrian Empire
  The Austrian Empire was a modern era successor empire, which was centered on what is today's Austria and which officially lasted from 1804 to 1867. It was followed by the Empire of Austria-Hungary, whose proclamation was a diplomatic move that elevated Hungary's status within the Austrian Empire...
  
  - Ferdinand I
  Ferdinand I of Austria
  Ferdinand I was Emperor of Austria, President of the German Confederation, King of Hungary and Bohemia , as well as associated dominions from the death of his father, Francis II, Holy Roman Emperor, until his abdication after the Revolutions of 1848.He married Maria Anna of Savoy, the sixth child...
  
  , Emperor of Austria
  Emperor of Austria
  The Emperor of Austria was a hereditary imperial title and position proclaimed in 1804 by the Holy Roman Emperor Francis II, a member of the House of Habsburg-Lorraine, and continually held by him and his heirs until the last emperor relinquished power in 1918. The emperors retained the title of...
  
   (1835–1848)
  • Chancellor - Prince Klemens Wenzel von Metternich
    Klemens Wenzel von Metternich
    Prince Klemens Wenzel von Metternich was a German-born Austrian politician and statesman and was one of the most important diplomats of his era...
    
    , Chancellor of Austria (1821–1848)
• Bavaria
  Kingdom of Bavaria
  The Kingdom of Bavaria was a German state that existed from 1806 to 1918. The Bavarian Elector Maximilian IV Joseph of the House of Wittelsbach became the first King of Bavaria in 1806 as Maximilian I Joseph. The monarchy would remain held by the Wittelsbachs until the kingdom's dissolution in 1918...
  
  -
  • Monarch - Ludwig I
    Ludwig I of Bavaria
    Ludwig I was a German king of Bavaria from 1825 until the 1848 revolutions in the German states.-Crown prince:...
    
    , King of Bavaria
    King of Bavaria
    King of Bavaria was a title held by the hereditary Wittelsbach rulers of Bavaria in the state known as the Kingdom of Bavaria from 1805 until 1918, when the kingdom was abolished...
    
     (1825–1848)
  • Prime Minister - Karl von Abel
    Karl von Abel
    Karl von Abel was a Bavarian statesman.Born in Wetzlar, Abel was the son of a procurator at the superior Court of Justice...
    
    , Prime Minister of Bavaria (1837–1847)
• Belgium
  • Monarch - Léopold I
    Leopold I of Belgium
    Leopold I was from 21 July 1831 the first King of the Belgians, following Belgium's independence from the Netherlands. He was the founder of the Belgian line of the House of Saxe-Coburg-Gotha...
    
    , King of the Belgians (1831–1865)
  • Cabinet Chief - Barthélémy de Theux de Meylandt, Cabinet Chief of Belgium (1834–1840, 1846–1847)
• Denmark
  • Monarch - Frederick VI
    Frederick VI of Denmark
    Frederick VI reigned as King of Denmark , and as king of Norway .-Regent of Denmark:Frederick's parents were King Christian VII and Caroline Matilda of Wales...
    
    , King of Denmark (1808–1839)
  • Prime Minister - Otto Joachim
    Otto Joachim (politician)
    Otto Joachim, greve Moltke til Stridfeld og Walkendorf was the Minister of State of Denmark from 1824 to 1842. He was descended from Adam Gottlob Moltke, who had exercised extensive political power during the reign of Frederick V....
    
    , Minister of State of Denmark
    Prime Minister of Denmark
    The Prime Minister of Denmark is the head of government in Danish politics. The Prime Minister is traditionally the leader of a political coalition in the Folketing and presides over the cabinet....
    
     (1824–1842)
• France
  July Monarchy
  The July Monarchy , officially the Kingdom of France , was a period of liberal constitutional monarchy in France under King Louis-Philippe starting with the July Revolution of 1830 and ending with the Revolution of 1848...
  
  -
  • Monarch - Louis Philippe, King of the French (1830–1848)
  • Prime Minister - Louis-Mathieu Molé, Prime Minister of France
    Prime Minister of France
    The Prime Minister of France in the Fifth Republic is the head of government and of the Council of Ministers of France. The head of state is the President of the French Republic...
    
     (1836–1839)
• Greece
  Kingdom of Greece
  The Kingdom of Greece was a state established in 1832 in the Convention of London by the Great Powers...
  
  - Otto
  Otto of Greece
  Otto, Prince of Bavaria, then Othon, King of Greece was made the first modern King of Greece in 1832 under the Convention of London, whereby Greece became a new independent kingdom under the protection of the Great Powers .The second son of the philhellene King Ludwig I of Bavaria, Otto ascended...
  
  , King of Greece (1832–1862)
• Hanover
  Kingdom of Hanover
  The Kingdom of Hanover was established in October 1814 by the Congress of Vienna, with the restoration of George III to his Hanoverian territories after the Napoleonic era. It succeeded the former Electorate of Brunswick-Lüneburg , and joined with 38 other sovereign states in the German...
  
  - Ernest Augustus
  Ernest Augustus I of Hanover
  Ernest Augustus I was King of Hanover from 20 June 1837 until his death. He was the fifth son and eighth child of George III, who reigned in both the United Kingdom and Hanover...
  
  , King of Hanover (1837–1851)
• United Kingdom of the Netherlands
  United Kingdom of the Netherlands
  United Kingdom of the Netherlands is the unofficial name used to refer to Kingdom of the Netherlands during the period after it was first created from part of the First French Empire and before the new kingdom of Belgium split out in 1830...
  
  - William I
  William I of the Netherlands
  William I Frederick, born Willem Frederik Prins van Oranje-Nassau , was a Prince of Orange and the first King of the Netherlands and Grand Duke of Luxembourg....
  
  , King of the Netherlands (1815–1840)
• Ottoman (Turkish) Empire
  Ottoman Empire
  The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...
  
  
  • Monarch - Mahmud II
    Mahmud II
    Mahmud II was the 30th Sultan of the Ottoman Empire from 1808 until his death in 1839. He was born in the Topkapi Palace, Istanbul, the son of Sultan Abdulhamid I...
    
    , Sultan of the Ottoman Empire (1808–1839)
  • Grand Vizier - Mehmed Emin Rauf Pasha, Ottoman Grand Vizier (1833–1839)
• Portugal
  Kingdom of Portugal
  The Kingdom of Portugal was Portugal's general designation under the monarchy. The kingdom was located in the west of the Iberian Peninsula, Europe and existed from 1139 to 1910...
  
  - Maria II, Queen of Portugal (1826–1828, 1834–1853)
• Prussia
  Kingdom of Prussia
  The Kingdom of Prussia was a German kingdom from 1701 to 1918. Until the defeat of Germany in World War I, it comprised almost two-thirds of the area of the German Empire...
  
  -
  • Monarch - Friedrich Wilhelm III
    Frederick William III of Prussia
    Frederick William III was king of Prussia from 1797 to 1840. He was in personal union the sovereign prince of the Principality of Neuchâtel .-Early life:...
    
    , King of Prussia (1797–1840)
  • Chief Minister - Count Karl Friedrich Heinrich von Wylich, Chief Minister of Prussia
    Prime Minister of Prussia
    The office of Minister President or Prime Minister of Prussia existed in one form or another from 1702 until the dissolution of Prussia in 1947. When Prussia was an independent kingdom the Minister President or Prime Minister functioned as the King's Chief Minister and presided over the Prussian...
    
     (1823–1841)
• Russia
  Russian Empire
  The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...
  
  - Nicholas I
  Nicholas I of Russia
  Nicholas I , was the Emperor of Russia from 1825 until 1855, known as one of the most reactionary of the Russian monarchs. On the eve of his death, the Russian Empire reached its historical zenith spanning over 20 million square kilometers...
  
  , Tsar of Russia (1825–1855)
• Spain - Isabella II
  Isabella II of Spain
  Isabella II was the only female monarch of Spain in modern times. She came to the throne as an infant, but her succession was disputed by the Carlists, who refused to recognise a female sovereign, leading to the Carlist Wars. After a troubled reign, she was deposed in the Glorious Revolution of...
  
  , Queen of Spain (1833–1868)
  • Saxony
    Kingdom of Saxony
    The Kingdom of Saxony , lasting between 1806 and 1918, was an independent member of a number of historical confederacies in Napoleonic through post-Napoleonic Germany. From 1871 it was part of the German Empire. It became a Free state in the era of Weimar Republic in 1918 after the end of World War...
    
    - Frederick Augustus
    Frederick Augustus II of Saxony
    Frederick Augustus II |Tyrol]], 9 August 1854) was King of Saxony and a member of the House of Wettin.He was the eldest son of Maximilian, Prince of Saxony --younger son of the Elector Frederick Christian of Saxony—by his...
    
    , King of Saxony (1836–1854)
• Sweden - United Kingdoms of Sweden and Norway - Charles XIV, King of Sweden (1818–1844)
• Tuscany
  Grand Duchy of Tuscany
  The Grand Duchy of Tuscany was a central Italian monarchy that existed, with interruptions, from 1569 to 1859, replacing the Duchy of Florence. The grand duchy's capital was Florence...
  
  - Leopold II
  Leopold II, Grand Duke of Tuscany
  Leopold II of Tuscany was the last reigning grand duke of Tuscany ....
  
  , Grand Duke of Tuscany (1824–1859)
• Two Sicilies - Ferdinand II
  Ferdinand II of the Two Sicilies
  Ferdinand II was King of the Two Sicilies from 1830 until his death.-Family:Ferdinand was born in Palermo, the son of King Francis I of the Two Sicilies and his wife and first cousin Maria Isabella of Spain.His paternal grandparents were King Ferdinand I of the Two Sicilies and Queen Marie...
  
  , King of the Two Sicilies (1830–1859)
• United Kingdom
  United Kingdom of Great Britain and Ireland
  The United Kingdom of Great Britain and Ireland was the formal name of the United Kingdom during the period when what is now the Republic of Ireland formed a part of it....
  
  -
  • Monarch - Victoria
    Victoria of the United Kingdom
    Victoria was the monarch of the United Kingdom of Great Britain and Ireland from 20 June 1837 until her death. From 1 May 1876, she used the additional title of Empress of India....
    
    , Queen of Great Britain and Ireland (1837–1901)
  • Prime Minister - William Lamb, 2nd Viscount Melbourne
    William Lamb, 2nd Viscount Melbourne
    William Lamb, 2nd Viscount Melbourne, PC, FRS was a British Whig statesman who served as Home Secretary and Prime Minister . He is best known for his intense and successful mentoring of Queen Victoria, at ages 18-21, in the ways of politics...
    
    , Prime Minister of the United Kingdom
    Prime Minister of the United Kingdom
    The Prime Minister of the United Kingdom of Great Britain and Northern Ireland is the Head of Her Majesty's Government in the United Kingdom. The Prime Minister and Cabinet are collectively accountable for their policies and actions to the Sovereign, to Parliament, to their political party and...
    
     (1835–1841)
  • Württemberg
    Württemberg
    Württemberg , formerly known as Wirtemberg or Wurtemberg, is an area and a former state in southwestern Germany, including parts of the regions Swabia and Franconia....
    
    - William
    William I of Württemberg
    William I was the second King of Württemberg from October 30, 1816 until his death.He was born in Lüben, the son of King Frederick I of Württemberg and his wife Duchess Augusta of Brunswick-Wolfenbüttel .-First marriage:...
    
    , King of Württemberg (1816–1864)

Middle East and North Africa

• Abu Dhabi
  Abu Dhabi
  Abu Dhabi , literally Father of Gazelle, is the capital and the second largest city of the United Arab Emirates in terms of population and the largest of the seven member emirates of the United Arab Emirates. Abu Dhabi lies on a T-shaped island jutting into the Persian Gulf from the central western...
  
  -
  • Co-Shaikh - Khalifa bin Shakhbut, Shaikh of Abu Dhabi (1833–1845)
  • Co-Shaikh - Sultan bin Shakhbut, Shaikh of Abu Dhabi (1833–1845)
• Ajman
  Ajman
  Ajman , also spelt Ujman, is one of the seven emirates constituting the United Arab Emirates . With an area of just 260 square kilometres , Ajman is the smallest emirate by area...
  
  -
  1. Rashid bin Humayd
     Rashid bin Humayd
     Rashid bin Humayd was the Shaikh of Ajman from 1816 until 1838....
     
     , Shaikh of Ajman (1816–1838)
  2. Humayd ibn Rashid, Shaikh of Ajman (1838–1841)
• Bahrain
  Bahrain
  ' , officially the Kingdom of Bahrain , is a small island state near the western shores of the Persian Gulf. It is ruled by the Al Khalifa royal family. The population in 2010 stood at 1,214,705, including 235,108 non-nationals. Formerly an emirate, Bahrain was declared a kingdom in 2002.Bahrain is...
  
  - Muhammad ibn Khalifah Al Khalifah, Shaikh of Bahrain (1834–1842)
• 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...
  
  (Under Ottoman
  Ottoman Empire
  The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...
  
   suzerainty
  Suzerainty
  Suzerainty occurs where a region or people is a tributary to a more powerful entity which controls its foreign affairs while allowing the tributary vassal state some limited domestic autonomy. The dominant entity in the suzerainty relationship, or the more powerful entity itself, is called a...
  
  ) - Muhammad Ali Pasha, Governor of Egypt (1805–1848)
• Kuwait
  Kuwait
  The State of Kuwait is a sovereign Arab state situated in the north-east of the Arabian Peninsula in Western Asia. It is bordered by Saudi Arabia to the south at Khafji, and Iraq to the north at Basra. It lies on the north-western shore of the Persian Gulf. The name Kuwait is derived from the...
  
  - Sheikh Jabir ibn Abdullah Al Sabah, Ruler of Kuwait (1814–1859)
• Morocco
  Morocco
  Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...
  
  - Abderrahmane
  Abderrahmane of Morocco
  Moulay Sharif Abderrahmane was sultan of Morocco from 1822 to 1859. He was a member of the Alaouite dynasty.-Biography:He was born in 1778. His reign began at the start of the French occupation of Algeria...
  
  , Sultan of Morocco (1822–1859)
• Mount Lebanon
  Mount Lebanon
  Mount Lebanon , as a geographic designation, is a Lebanese mountain range, averaging above 2,200 meters in height and receiving a substantial amount of precipitation, including snow, which averages around four meters deep. It extends across the whole country along about , parallel to the...
  
  (Under Ottoman
  Ottoman Empire
  The Ottoman EmpireIt was usually referred to as the "Ottoman Empire", the "Turkish Empire", the "Ottoman Caliphate" or more commonly "Turkey" by its contemporaries...
  
   suzerainty
  Suzerainty
  Suzerainty occurs where a region or people is a tributary to a more powerful entity which controls its foreign affairs while allowing the tributary vassal state some limited domestic autonomy. The dominant entity in the suzerainty relationship, or the more powerful entity itself, is called a...
  
  ) - Bashir ibn al-Qasim ibn `Umar, Emir of Mount Lebanon (1822–1840)
• Oman
  Oman
  Oman , officially called the Sultanate of Oman , is an Arab state in southwest Asia on the southeast coast of the Arabian Peninsula. It is bordered by the United Arab Emirates to the northwest, Saudi Arabia to the west, and Yemen to the southwest. The coast is formed by the Arabian Sea on the...
  
  - Sa'id II ibn Sultan, Sultan of Oman (1804–1856)
• Persia - Mohammad Shah Qajar
  Mohammad Shah Qajar
  Mohammad Shah Qajar was king of Persia from the Qajar dynasty .- Rise to power :...
  
  , Shah of Persia (1834–1848)

North America

• Central America
  Federal Republic of Central America
  The Federal Republic of Central America, known as the United Provinces of Central America in its first year of creation, was a sovereign state in Central America, which consisted of the territories of the former Captaincy General of Guatemala of New Spain...
  
  - Francisco Morazán
  Francisco Morazán
  General Francisco Morazán was a Honduran general and a politician who ruled several Central American states at different times during the turbulent period from 1827 to 1842. He rose to prominence at the legendary Battle of La Trinidad on November 11, 1827...
  
  , President of Central America (1830–1839)
• Costa Rica
  Costa Rica
  Costa Rica , officially the Republic of Costa Rica is a multilingual, multiethnic and multicultural country in Central America, bordered by Nicaragua to the north, Panama to the southeast, the Pacific Ocean to the west and the Caribbean Sea to the east....
  
  -
  1. Manuel Aguilar Chacón
     Manuel Aguilar Chacón
     Manuel Aguilar Chacón was head of state of Costa Rica from April 1837 to March 1838....
     
     , Head of State of Costa Rica (1837–1838)
  2. Braulio Carrillo Colina
     Braulio Carrillo Colina
     Braulio Evaristo Carrillo Colina was the Head of State of Costa Rica during two periods: the first between 1835 to 1837, and the de facto between 1838 and 1842.Before becoming head of state, Carrillo held a number of public positions, including Judge and Chairman of the...
     
     , Head of State of Costa Rica (1838–1842)
• Mexico - Anastasio Bustamante
  Anastasio Bustamante
  Anastasio Bustamante y Oseguera was president of Mexico three times, from 1830 to 1832, from 1837 to 1839 and from 1839 to 1841. He was a Conservative. He first came to power by leading a coup against president Vicente Guerrero...
  
  , President (1837–1839)
• Texas
  Republic of Texas
  The Republic of Texas was an independent nation in North America, bordering the United States and Mexico, that existed from 1836 to 1846.Formed as a break-away republic from Mexico by the Texas Revolution, the state claimed borders that encompassed an area that included all of the present U.S...
  
  -
  1. Sam Houston
     Sam Houston
     Samuel Houston, known as Sam Houston , was a 19th-century American statesman, politician, and soldier. He was born in Timber Ridge in the Shenandoah Valley of Virginia, of Scots-Irish descent. Houston became a key figure in the history of Texas and was elected as the first and third President of...
     
      President of the Republic of Texas (1836–1838)
  2. Mirabeau B. Lamar
     Mirabeau B. Lamar
     Mirabeau Buonaparte Lamar was a Texas politician, diplomat and soldier who was a leading Texas political figure during the Texas Republic era. He was the second President of the Republic of Texas, after David G. Burnet and Sam Houston.-Early years:Lamar grew up at Fairfield, his father's...
     
      President of the Republic of Texas (1838–1841)
• United States of America - Martin Van Buren
  Martin Van Buren
  Martin Van Buren was the eighth President of the United States . Before his presidency, he was the eighth Vice President and the tenth Secretary of State, under Andrew Jackson ....
  
  , President (1837–1841)

South America

• Argentine Confederation
  Argentine Confederation
  The Argentine Confederation is one of the official names of Argentina, according to the Argentine Constitution, Article 35...
  
  - Juan Manuel de Rosas
  Juan Manuel de Rosas
  Juan Manuel de Rosas , was an argentine militar and politician, who was elected governor of the province of Buenos Aires in 1829 to 1835, and then of the Argentine Confederation from 1835 until 1852...
  
  , Governor of Buenos Aires Province in charge of the Foreign Relations of the Argentine Confederation (1835–1851)
• Brazil - Pedro II
  Pedro II of Brazil
  Dom Pedro II , nicknamed "the Magnanimous", was the second and last ruler of the Empire of Brazil, reigning for over 58 years. Born in Rio de Janeiro, he was the seventh child of Emperor Dom Pedro I of Brazil and Empress Dona Maria Leopoldina and thus a member of the Brazilian branch of...
  
  , Emperor of Brazil (1831–1889)
• Bolivia
  Bolivia
  Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...
  
  - Andrés de Santa Cruz
  Andrés de Santa Cruz
  Andrés de Santa Cruz y Calahumana was President of Peru and Bolivia...
  
   (1829–1839)
• Chile
  Chile
  Chile ,officially the Republic of Chile , is a country in South America occupying a long, narrow coastal strip between the Andes mountains to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far...
  
  - José Joaquín Prieto Vial, President of Chile
  President of Chile
  The President of the Republic of Chile is both the head of state and the head of government of the Republic of Chile. The President is responsible of the government and state administration...
  
   (1831–1840, 1840–1841)
• Ecuador
  Ecuador
  Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...
  
  - Vicente Rocafuerte
  Vicente Rocafuerte
  Vicente Rocafuerte y Bejarano was an influential figure in Ecuadorian politics and President of Ecuador from September 10, 1834 to January 31, 1839....
  
   (1834–1839)
• Paraguay
  Paraguay
  Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...
  
  - José Gaspar Rodríguez de Francia
  José Gaspar Rodríguez de Francia
  200px|right|thumb|José Gaspar Rodríguez de FranciaDr. José Gaspar Rodríguez de Francia y Velasco was the first leader of Paraguay following its independence from Spain...
  
   (1814–1840)
• Uruguay
  Uruguay
  Uruguay ,officially the Oriental Republic of Uruguay,sometimes the Eastern Republic of Uruguay; ) is a country in the southeastern part of South America. It is home to some 3.5 million people, of whom 1.8 million live in the capital Montevideo and its metropolitan area...
  
  -
  1. Manuel Oribe
     Manuel Oribe
     Manuel Ceferino Oribe y Viana was the fourth president of Uruguay.-Biography:Manuel Oribe was the son of Captain Francisco Oribe and María Francisca Viana, a descendant of the first governor of Montevideo, José Joaquín de Viana...
     
     , President of Uruguay (1835–1838)
  2. Gabriel Antonio Pereira
     Gabriel Antonio Pereira
     Gabriel Antonio José Pereira Villagrán was a Uruguayan politician, son of Antonio Pereira, of Portuguese ancestry, and wife María de la Asunción Villagrán y Artigas. He was president in 1838 and between March 1, 1856 and March 1, 1860....
     
     , President of Uruguay (1838)
  3. Fructuoso Rivera
     Fructuoso Rivera
     José Fructuoso Rivera y Toscana was an Uruguayan general and patriot who assisted in the efforts to force Brazilians out of the Banda Oriental.-Founder of Colorado Party and President of Uruguay:...
     
     , President of Uruguay (1838–1839)

Oceania

• Hawaii
  Kingdom of Hawaii
  The Kingdom of Hawaii was established during the years 1795 to 1810 with the subjugation of the smaller independent chiefdoms of Oahu, Maui, Molokai, Lānai, Kauai and Niihau by the chiefdom of Hawaii into one unified government...
  
  - Kamehameha III
  Kamehameha III
  Kamehameha III was the King of Hawaii from 1825 to 1854. His full Hawaiian name was Keaweaweula Kiwalao Kauikeaouli Kaleiopapa and then lengthened to Keaweaweula Kiwalao Kauikeaouli Kaleiopapa Kalani Waiakua Kalanikau Iokikilo Kiwalao i ke kapu Kamehameha when he ascended the throne.Under his...
  
  , King of Hawaii (1823–1854)
• Commonwealth of Pitcairn - Joshua Hill
  Joshua Hill
  Joshua Hill may refer to:* Joshua Hill , Australian baseball player* Joshua Hill , American adventurer* Joshua Hill , American* Josh Hill , Australian footballer...
  
  , President of Pitcairn (1832–1838)
• Samoa
  Samoa
  Samoa , officially the Independent State of Samoa, formerly known as Western Samoa is a country encompassing the western part of the Samoan Islands in the South Pacific Ocean. It became independent from New Zealand in 1962. The two main islands of Samoa are Upolu and one of the biggest islands in...
  
  - Malietoa Vai'inupo
  Malietoa
  Malietoa is a state dynasty and chiefly title in Samoa. Literally translated as "great warrior," the title's origin comes from the final words of the Tongan warriors as they were fleeing on the beach to their boats, "Malie To`a, Malie tau"....
  
  , Malietoa
  Malietoa
  Malietoa is a state dynasty and chiefly title in Samoa. Literally translated as "great warrior," the title's origin comes from the final words of the Tongan warriors as they were fleeing on the beach to their boats, "Malie To`a, Malie tau"....
  
   (?-1841)
• Tonga
  Tonga
  Tonga, officially the Kingdom of Tonga , is a state and an archipelago in the South Pacific Ocean, comprising 176 islands scattered over of ocean in the South Pacific...
  
  - Aleamotu'a
  Aleamotu'a
  Aleamotu’a...
  
  , Tu'i Kanokupolu
  Tu'i Kanokupolu
  The Ha'a Tu'i Kanokupolu is the most junior of the Ha'a Tu'i in Tonga. They are generally refer to as the Kau Halalalo The Ha'a Tu'i Tonga, the most senior and Sacred Ha'a Tu'i in Tonga are generally refer to as the Kauhala'uta, The inland side of the roads...
  
  (1827–1845)