When was the United States troop withdrawal from Iraq completed?

The United States troop withdrawal from Iraq was officially completed on December 18, 2011. This date marks the end of the nearly nine-year military presence in Iraq that began with the invasion in March 2003. The withdrawal was a significant milestone in U.S. military operations and was the result of a long-term agreement between the U.S. and Iraqi governments, which outlined the timeline for the removal of American forces.

Understanding the context around this date is crucial. The larger political agreement led to the gradual drawdown of U.S. forces, culminating in the final departure of combat troops by late December 2011. This event was met with mixed reactions, as it reflected a blend of the strategic aims of both nations but also the complexities and challenges that remained in Iraq post-withdrawal.

The other dates provided do not reflect the actual completion of the troop withdrawal. September 1, 2009, represents a milestone when the number of combat troops in Iraq was officially reduced, but it does not signify the end of the overall presence. March 22, 2012, is too late as all U.S. combat troops had already left by then, making it irrelevant to this question. While December 31, 2011,