1972 in the Vietnam War 1972 in the Vietnam War 1972 in the Vietnam War saw foreign involvement in South Vietnam slowly declining. Two allies, New Zealand and Thailand, which had contributed a small military contingent, left South Vietnam this year. The United States continued to participate in combat, primarily with air power to assist the South Vietnamese army, while negotiators in Paris tried to hammer out a peace agreement and withdrawal strategy for the United States. One American operation that was declassified years after the war was Operation Thunderhead, a secret mission that attempted to rescue POWs. U.S. military personnel in South Vietnam numbered
Peace of Nicias Peace of Nicias The Peace of Nicias, also known as the Fifty-Year Peace, was a peace treaty signed between the Greek city-states of Athens and Sparta in March 421 BC, ending the first half of the Peloponnesian War. In 425 BC, the Spartans had lost the battles of Pylos and Sphacteria, a severe defeat resulting in the Athenians' holding 292 prisoners. At least 120 were Spartiates. They had recovered by 424 BC, when the Spartan general Brasidas captured Amphipolis. In the same year, the Athenians suffered a major defeat in Boeotia at the Battle of Delium, and in 422 BC