What happened as the Vietnam War progressed?August 7,1964 Gulf of TonkinNovember 1964 LBJ winsFebruary 1965 Pleilu attackMarch 1965 10,000 marines ashore at DanangJuly 1965 100,000 troops in countryMay 1970 kent state (4 college students killed)Summer 1971 calley trialEllsberg papersJanuary 1972 100,000 troops leftFebruary 1972 nixon visits chinaMay 1972 nixon visits soviet unionOctober 1972 peace talks beginNovember 1972 nixon winJanuary 1973 peace treatyFebruary 1973 POWS come home