1972 in the Vietnam War the number of air raids against North Vietnam during all of 1971. Prime Minister Lon Nol declared President of Cambodia. Unlike the former Cambodian leader, Norodom Sihanouk, Lon Nol was a U.S. ally. The U.S. 101st Airborne Division left South Vietnam, the last U.S. ground combat division to be withdrawn from South Vietnam. The Khmer Rouge bombarded with artillery Phnom Penh, the capital city of Cambodia, killing more than 100 civilians. This was the heaviest attack on Phnom Penh since the Cambodian Civil War began in 1970. The United States boycotted peace negotiations in Paris with the North Vietnamese, citing
Egypt–Israel Peace Treaty Egypt–Israel Peace Treaty The Egypt–Israel Peace Treaty (, "Mu`āhadat as-Salām al-Misrīyah al-'Isrā'īlīyah"; , "Heskem HaShalom Bein Yisrael LeMitzrayim") was signed in Washington, D.C., United States on 26 March 1979, following the 1978 Camp David Accords. The Egypt–Israel treaty was signed by Egyptian president Anwar Sadat and Israeli prime minister Menachem Begin, and witnessed by United States president Jimmy Carter. The peace treaty between Egypt and Israel was signed 16 months after Egyptian president Anwar Sadat's visit to Israel in 1977 after intense negotiation. The main features of the treaty were mutual recognition, cessation of the state of war that had