On this day, 52 years ago, on January 15, 1973 (December 12, 1972), Nixon ordered the end of the bombing of North Vietnam. The picture shows North Vietnamese peace talks representatives Chun Tho, Le Duc Tho and U.S. Secretary of State Henry Kissinger "Agreement on Ending the War and Restoring Peace in Vietnam" signed in Paris by the Democratic Republic of Vietnam, the Provisional Revolutionary Government of the Republic of South Vietnam, the United States and the Saigon authorities.