October 7, 2001:U.S. and Britain begin air strikes against Taliban government installations and al Qaeda training camps in Afghanistan
November 9, 2001:Bin Laden rallies his forces in Jalalabad. Amid bombs exploding all over the city, bin Laden makes a final appeal, telling followers al Qaeda has the weapons and technology to beat the Americans.
November 15, 2001:Bin Laden is last seen heading out of the Afghan city of Jalalabad toward Tora Bora in a convoy.
November 16, 2001:Local war lords are recruited to aid the US in the fight to rout out al Qaeda in Afghanistan.
November 20, 2001:Using radio broadcasts and leaflets dropped from planes, the US tells the Afghans about a $25 million reward for the capture of Osama bin Laden.
November 26, 2001:An eyewitness says bin Laden met Yemeni al Qaeda fighters for tea in a Tora Bora cave.
November 30, 2001:Witnesses say bin Laden leaves Tora Bora on foot, headed into Pakistan
December 5, 2001:The ground attack on Tora Bora begins. Afghan forces trek into the mountains toward the cave fortification.
December 10, 2001:Thousands of Pakistani troops fan out along the border near Tora Bora to prevent the escape of Taliban and al Qaeda forces.
December 14, 2001:Pentagon officials say they think they have bin Laden cornered at Tora Bora as fighting in the region continues.
December 17, 2001Afghan forces capture a small group of al Qaeda and Taliban fighters, but bin Laden is nowhere to be found. Commander Haji Zahir announces the battle is over.