The Vietnam Timeline By rwiemer May 1, 1800 France Created French Indochina. May 1, 1900 Many nationalist movements sprung up in vietnam around this time. May 7, 1945 Ho Chi Minh and his communist army defeated france and gained freedom from indochina. May 1, 1954 The Indochina fighting continued until this time. May 1, 1954 Vietnam is devided. May 1, 1955 Diem took control of the south vietnamese government with U.S. help. May 1, 1955 Diem canceled the re-unification elections. May 1, 1956 Vietnam was supposed to be re-unified with free elections. May 5, 1964 The Gulf of Tonkin Reasolution increased U.S. involvement in the war. Mar 8, 1965 The first U.S. troops arrived in Vietnam. May 5, 1965 The first attack on U.S. bombers occured. May 5, 1968 By this time over 500,000 U.S. troops were in vietnam.