December
- December 11: start of Operation Red Dagger
- December 19: US vows to send 3,000 more troops to Afghanistan.
- On December 30, 2008, Pakistani security forces shut down the supply line when they launched an offensive against Taliban militants who dominate the Khyber Pass region. After three days of fighting, they declared the Khyber Pass open.
Read more about this topic: 2008 In Afghanistan