Biden will withdraw all U.S. forces from Afghanistan by Sept. 11, 2021 - The Washington Post

The military exit will be completed by the 20th anniversary of the terrorist attacks that first drew the United States into its longest war. https://www.washingtonpost.com/national-security/biden-us-troop-withdrawal-afghanistan/2021/04/13/918c3cae-9beb-11eb-8a83-3bc1fa69c2e8_story.html