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Mesopotamia & LevantAsia

Middle Assyrian Empire

1363 – 912 BCE · about 451 years

The Middle Assyrian Empire turned Assyria from a city-state into a territorial power in northern Mesopotamia. It reached its height under kings such as Tukulti-Ninurta I and Tiglath-Pileser I before declining during the Late Bronze Age collapse.

Key facts

Dates1363 – 912 BCE
RegionMesopotamia & Levant
ContinentAsia
CapitalsAssur, Kar-Tukulti-Ninurta
FounderAshur-uballit I
Religion(s)Mesopotamian religion
Peak extent≈ 0.4 million km² (c. 1080 BCE) – source

Before & after

Preceded by

Old Assyrian city-state Mitanni Kassite Babylonia

Followed by

Neo-Assyrian Empire

Sources

Dates follow widely used reference works; many ancient dates are approximate or debated. Neutral summary for general reference.