World War II

By 2025, the Russia–Ukraine war was the most lethal armed conflict in Europe since World War II.

Yasukuni Shrine in Tokyo enshrines Japan's war dead, including individuals who were convicted of war crimes for actions during World War II.

The Alien Enemies Act is a U.S. law that authorizes rapid expulsion of citizens of enemy nations during times of war and had not been invoked since World War II.

The United States has not issued a formal declaration of war since World War II (1945).

During World War II (ending in 1945), the number of nurses in the U.S. Army increased from fewer than 600 to about 59,000, and the number of nurses in the U.S. Navy increased from about 1,700 to about 14,000 by the end of the war.

Fewer than 4% of U.S. soldiers in World War II who received medical care in the field or underwent evacuation died from wounds or disease.

Military nurses in World War II served in combat zones, including aboard Navy hospital ships and ashore under enemy fire, and some military nurses were captured and held as prisoners of war.

Japan occupied Taiwan for decades until Japan's defeat in World War II in 1945.

The Alien Enemies Act has been invoked multiple times in U.S. history, including its most recent historical use during World War II (1939–1945).

Altgeld Gardens is a public-housing project built in the 1940s to house Black GIs returning from World War II.