Timeline of the war in Afghanistan

Published On: Jun 18 2013 11:36:52 AM CDT   Updated On: Aug 06 2014 09:56:46 AM CDT

The killing of a U.S. general marks a dark chapter in the war in Afghanistan. Here's a look back at the longest conflict in U.S. history.

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July 2010 -- A record 66 U.S. troops are killed, making it the deadliest month in the nearly nine-year war. U.S. commanders said more troops were dying because of stiffening Taliban resistance.

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