Nebuchadnezzar I was the king

Monarch

A monarch is the person who heads a monarchy. This is a form of government in which a state or polity is ruled or controlled by an individual who typically inherits the throne by birth and occasionally rules for life or until abdication...

 of the Babylonian Empire from about 1125 BC to 1103 BC. He is considered to be the greatest king of the Dynasty of Pashe (also known as the second Isin dynasty), a line which held the Babylonian throne through 12th century BCE. His greatest success was re-establishing the Babylonian lands by driving out the Elam

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...

ite invaders who had taken over much of the territory. He then proceeded to push out and solidify his borders, locking Babylon

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...

 into a conflict with the Assyria

Assyria

Assyria was a Semitic Akkadian kingdom, extant as a nation state from the mid–23rd century BC to 608 BC centred on the Upper Tigris river, in northern Mesopotamia , that came to rule regional empires a number of times through history. It was named for its original capital, the ancient city of Assur...

ns. He was defeated on a number of occasions by Ashur-resh-ishi I

Ashur-resh-ishi I

Ashur-resh-ishi I was King of Assyria from 1133 to 1115 BC. He succeeded his father, Mutakkil-Nusku, and was succeeded by his son Tiglath-Pileser I....

 of Assyria for control of Aramea. He is not to be confused with the more well-known Nebuchadnezzar II of biblical fame.