How long was Hamid Karzai the President of Afghanistan?

For nearly 13 years, Hamid Karzai has been the President of Afghanistan, from 2001 December 22 to the present.

Karzai first became President of Afghanistan after the US invasion overthrew the Taliban government in 2011, in response to the September 11 attacks. He won elections in 2004 and 2009, and is due to be replaced in 2014. Karzai was the first democratically elected President of Afghanistan.