1970 - U.S. Navy Lt. Everett Alvarez Jr. spent his 2000th day in captivity by North Vietnam. His plane was shot down on August 5, 1964. He was released in 1963 after eight years in captivity.
1972 - It was announced on Radio Hanoi that North Vietnam had rejected the latest U.S. peace proposal. Henry Kissinger responded publicly to the announcement. He condemned the announcement and criticized Hanoi's nine-point counter-proposal submitted during secret peace talks.
There is a simple prescription for peace--leave your neighbors alone." Secretary of State Dean Rusk, May 22, 1964