TIMELINE OF EVENTS
| 1938 | House Committee on Un-American Activities (HUAC) established |
| 1944 | Servicemen’s Readjustment Act (GI Bill) passed |
| 1945 | Potsdam Conference |
| 1946 | George Kennan sends telegram outlining containment strategy |
| Winston Churchill delivers “iron curtain” speech | |
| 1947 | Truman Doctrine articulated |
| Taft-Hartley Act passed | |
| National Security Act passed; Central Intelligence Agency (CIA) established | |
| Truman creates Federal Employee Loyalty Program | |
| President’s Committee on Civil Rights issues To Secure These Rights | |
| Jackie Robinson becomes the first black baseball player to enter the major leagues | |
| 1948–1949 | Berlin blockade and airlift |
| Alger Hiss affair | |
| 1948 | Truman orders desegregation of the military |
| Congress approves Marshall Plan | |
| 1949 | National Security Agency established |
| Communists win Chinese civil war | |
| North Atlantic Treaty Organization (NATO) formed | |
| Soviet Union successfully tests atomic weapon | |
| 1950–1953 | Korean War |
| 1950–1954 | Senator Joseph McCarthy carries out anti-Communist crusade |
| 1950 | NSC-68 issued |
| 1952 | Truman administration seizes steel mills; Supreme Court reverses the action |
| 1953 | Julius and Ethel Rosenberg executed for espionage |