| Atomic bomb | Truman |
| Iran Controversy | Truman |
| Marshall Plan | Truman |
| Containment / Truman Doctrine | Truman |
| Berlin Airlift | Truman |
| NATO | Truman |
| Korean War | Truman |
| Potsdam | Truman |
| Organization of American States (OAS) | Truman |
| Suez Crisis | Eisenhower |
| Korean Armistice | Eisenhower |
| Lebanon Crisis | Eisenhower |
| Summit Conference | Eisenhower |
| Berlin Crisis | Eisenhower |
| Eisenhower Doctrine | Eisenhower |
| Massive retaliation | Eisenhower |
| SEATO | Eisenhower |
| Cuban Missile Crisis | Kennedy |
| Nuclear Test Ban Treaty | Kennedy |
| Alliance for Progress | Kennedy |
| Bay of Pigs | Kennedy |
| Berlin Ultimatum | Kennedy |
| Gulf of Tonkin Incident | LBJ |
| Great Society | LBJ |
| Vietnam War | LBJ |
| Triangular Diplomacy | Nixon |
| Détente | Nixon |
| Ostpolitik | Nixon |
| SALT I | Nixon |
| Paris Peace Agreement | Nixon |
| 26th Amendment | Nixon |
| War Powers Act | Nixon |
| Vietnamization | Nixon |
| Pentagon Papers | Nixon |
| Watergate Scandal | Nixon |
| Afghan War | Reagan |
| Iran Hostage Crisis | Reagan |
| Star Wars (SDI) | Reagan |
| Iran Contra Affair | Reagan |