page_title: Isin-Larsa period
section_title: Isin as the main polity (2025–1924 BCE)
hierarchical_section_title: Isin-Larsa period / Isin as the main polity (2025–1924 BCE)
caption_attribution_description: English: Cylinder seal and modern impression Presentation scene,ca. 2000–1750 B.C. Isin-Larsa period. Iran, Luristan, Surkh Dum
context_page_description: The Isin-Larsa period is a phase in the history of ancient Mesopotamia, which extends between the end of the Third Dynasty of Ur and the conquest of Mesopotamia by King Hammurabi of Babylon leading to the creation of the First Babylonian dynasty. According to the approximate conventional dating, this period begins in 2025 BCE and ended in 1763 BCE. It constitutes the first part of the Old Babylonian period, the second part being the period of domination of the first dynasty of Babylon, which ends with the Sack of Babylon in 1595 BCE and the rise of the Kassites.
  The Third Dynasty of Ur immediately preceded the Isin-Larsa period, and its fall was due to the combined attacks of the Amorites from the west, and the Elamites from the east. As its name suggests, the Isin-Larsa period saw successively the emergence of two great powers in Lower Mesopotamia: the kingdom of Isin, which attempts to seek the succession of the kingdom of Ur after its fall and established the Dynasty of Isin, and the kingdom of Larsa, whose fall marks the end of the period.
context_section_description: When the deteriorating Third Dynasty of Ur (Ur III) finally collapsed at the hands of the Elamites at the end of the third millennium BC, a power vacuum was left that other city-states scrambled to fill. The last king of the Ur Dynasty, Ibbi-Sin, had not the resources nor the organized government needed to expel the Elamite invaders. One of his governmental officials, Ishbi-Erra, relocated from Ur to Isin, another city in the south of Mesopotamia, and established himself as a ruler there. One of Ishbi-Erra's year names reports his defeating Ibbi-Sin in battle.
  Although he is not considered part of the Third Dynasty of Ur, Ishbi-Erra did make some attempts at continuing the trappings of that dynasty, most likely to justify his rule. Ishbi-Erra had ill luck expanding his kingdom, however, for other city-states in Mesopotamia rose to power as well. Eshnunna and Ashur were developing into powerful centers. However, he did succeed in repulsing the Elamites from the Ur region. This gave the Isin dynasty control over the culturally significant cities of Ur, Uruk, and the spiritual center of Nippur.
  For over 100 years, Isin flourished. Remains of large buildings projects, such as temples, have been excavated. Many royal edicts and law-codes from that period have been discovered. The centralized political structure of Ur-III was largely continued, with Isin's rulers appointing governors and other local officials to carry out their will in the provinces. Lucrative trade routes to the Persian Gulf remained a crucial source of income for Isin.
caption: Impression of a cylinder seal. Presentation scene, c. 2000–1750 B.C. Isin-Larsa.
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