Wanderlust World Wanderlust World | War | US Entry Date | Trigger / Context |
|---|---|---|
| World War I | April 6, 1917 | Germany's unrestricted submarine warfare sinking US ships |
| World War II | December 8, 1941 | Day after Japanese attack on Pearl Harbor |
| Korean War | June 25, 1950 | UN mandate to repel North Korean invasion |
| Vietnam War | 1965 | Commitment of ground combat troops |
| Gulf War | January 16, 1991 | Coalition confrontation of Iraq's Kuwait invasion |
| War in Afghanistan | October 7, 2001 | Response to 9/11 attacks by al-Qaeda |
| Iraq War | March 20, 2003 | Invasion citing WMDs and terrorism links |
These represent formal entries or major escalations of US involvement.