American Wars in the Twentieth Century

The First World War, also known as the "Great War" and the "War to End All Wars". America entered the war with a Democratic president, and won the war under Democratic leadership.

The Second World War. America entered the war with a Democratic president, and won the war under Democratic leadership.

The Korean War. America entered the war with a Democratic president, and negotiated a draw under Republican leadership.

The Vietnam War. America entered the war with a Democratic president, and lost the war under Republican leadership.

The Persian Gulf War. America entered the war with a Republican president, and won the war under Republican leadership.

The Kosovo War. America entered the war with a Democratic president, and won the war under Democratic leadership.

Wars started by Democratic presidents:5
Wars started by Republican presidents: 3
Wars won by Democratic presidents: 3
Wars won by Republican presidents:1
Wars lost or still unresolved under Democratic rule: 0
Wars lost or still unresolved under Republican rule: 2