Marshall Plan History Day Timeline By dannyyang524 Sep 2, 1945 World War 2 Ends Feb 22, 1946 George Kennan Warns U.S. of Growing Communist Threats Jun 5, 1947 George Marshall announces U.S. aid to Europe Apr 3, 1948 Marshall Plan (European Recovery Program) in Effect Apr 16, 1948 The Organization for European Economic Cooperation is established Apr 4, 1949 U.S. and European Nations Join NATO Jun 25, 1950 The Korean War Begins Dec 31, 1951 European Recovery Program Ends Six Months Early Jul 27, 1953 The Korean War Ends Nov 4, 1961 USAID is Established Nov 1, 1993 European Union is Established