World War II

It was the biggest and deadliest war in history, spanning six grueling years and involving countries in nearly every part of the world. Sparked by the 1939 Nazi invasion of Poland, World War II pitted the Allied forces (led by the United States, Great Britain and the U.S.S.R.) against the Axis powers (Nazi Germany, Japan and Italy). Explore the battles, key players and atrocities from the war and its impact on geopolitics and humankind today.

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Illustration by Eduardo Ramón Trejo. Photos from Getty Images.

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From the Battle of the Atlantic to the Battle of Okinawa, see a timeline of World War II's battles.

By the time the first Japanese bomber appeared over Pearl Harbor on December 7, 1941, tensions between Japan and the United States had been mounting for the better part of a decade, making war seem inevitable.

The Allied invasion of Normandy was among the largest military operations ever staged.

The Holocaust was the persecution and murder of millions of Jews, Roma, political dissidents, homosexuals and others by the Nazi regime.

The Hidden Army of Women That Helped Defeat Hitler

Flashback: The Hidden Army of Women That Helped Defeat Hitler

This 1944 American propaganda film imagine’s Hitler’s surrender and explains the Füher’s greatest mistake – his underestimation of American women. This episode of Flashback shows how female wartime workers were an indispensable part of America’s victory, even before the war was officially won.

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World War II

Austria’s national squad had been known as the 'Wunderteam,' but when conscripted to play for Germany, they were less impressive.

Allied military leaders knew that casualties could be staggeringly high. Historians are still calculating the toll.

Neutrality was often more complex than simply avoiding choosing sides.

The majority of the world's countries eventually formed two opposing alliances: the Allies and the Axis.

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A look back at one of the most hard-fought battles of World War II.

From the Battle of the Atlantic to the Battle of Okinawa, see a timeline of World War II's battles.

These five key events led to the conclusion of World War II on September 2, 1945.

No reigning British monarch stepped foot on U.S. soil until 1939.

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World War II

Why D-Day Almost Never Happened

D-Day is one of the most widely known battles in WWII, but it almost didn't happen. Here's why.

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World War II

Battle of Midway Tactical Overview - World War II

Seven months after Pearl Harbor, U.S. and Japanese forces clashed at Midway, a decisive battle that shifted the course of World War II.

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World War II

The Untold Story Behind Motorcycle MP and a World War II Documentary

Rick Conte discovers his father’s unexpected appearance in a World War II documentary decades after his service as an Army MP.

World War II

Lost WWII Medic Footage Uncovered Untold Heroism on the Battlefield

Explore how Michael Curry uncovers his grandfather’s World War II legacy through detailed notes and powerful wartime films.

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World War II

Women Pilots Who Changed Aviation History

Explore the inspiring story of Dawn Letson and her friendship with a WWII WASP veteran, featuring rare films from the Women’s Airforce Service Pilots training camp.

World War II

The Untold Story of a Forgotten World War II Submarine Photographer

Explore rare World War II submarine life through Tom Southwick’s father’s captivating photos as a naval photographer.

World War II

Lost WWII Plane Mystery in the South Pacific

Explore rare WWII footage as Fred Linden shares his father’s films as a PBY naval aviator in the South Pacific.

World War II

A Chaplain's Story from World War II

The experiences of Bob Marken’s father as a chaplain during WWII are preserved in the films he left behind for his family.

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