Timeline of the war in Afghanistan

Published On: Jun 18 2013 11:36:52 AM CDT   Updated On: Sep 30 2014 07:13:23 AM CDT

A new security agreement keeping U.S. troops in Afghanistan past this year marks yet another chapter in the longest conflict in U.S. history.

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May 2012 -- At a summit in Lisbon, NATO endorses a plan to withdraw foreign combat troops and hand over security to Afghan forces by the end of 2014.

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