1950s Events By jan_k Period: Jan 1, 1950 to Dec 31, 1959 1950s Oct 19, 1951 Truman signs peace treaty with Japan, ending WWII Jul 2, 1952 Jonas Salk creates the polio vaccine Dec 24, 1952 Immigration and Naturalization Act is is passed Mar 5, 1953 Stalin dies Jun 3, 1953 Fighting ends in Korea May 17, 1954 Racial segregation is made unconstitutional in schools May 14, 1955 Warsaw Pact is signed Dec 1, 1955 Rosa Parks refuses to give up her bus seat Jan 9, 1959 Fidel Castro becomes Cuban dictator Aug 21, 1959 Hawaii becomes a U.S. state
