Last U.S. troops depart South Vietnam - Mar 29, 1973 - HISTORY.com

Under the provisions of the Paris Peace Accords signed on January 27, 1973, the last U.S. troops depart South Vietnam, ending nearly 10 years of U.S. military presence in that country. The U.S. Military Assistance Command Vietnam headquarters was disestablished. Only a Defense Attache Office and a few Marine guards at the Saigon American Embassy remained, although roughly 8,500 U.S. civilians stayed on as technical advisers to the South Vietnamese.

Also on this day: As part of the Accords, Hanoi releases the last 67 of its acknowledged American prisoners of war, bringing the total number released to 591.