Limits, pp. 936–964George Tindall'sAmerica: A NarrativeHistory, 9th editionChap. 31: New Frontiers: Politics and SocialChange in the 1960s, pp. 1,300–1,347Chap. 32: Rebellion and Reaction: The 1960sand 1970s, pp. 1,350–1,397WeblinksPBS, "The Sixties: Moments in Time"Gilder Lehrman Institute, "Timeline: The Sixties"Library of Congress, "The Postwar United States: 1945-1968"DateEventWhy it was part of the '60s or '70sMarch,1965The US sent troopsto VietnamIt was part of the ‘60s, since the US’s commitment tocommunism containment lead to them supporting theregime of South Vietnam rather than North during the60s.