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

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

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

On June 6, 1944, more than 156,000 American, British and Canadian troops executed the largest amphibious landing in history. Five veterans share their stories from that day.

World War II

America's Terrifying Battle to Control the Seas

The story of how America’s battle to control the seas against the terrifying German U-boats in the Atlantic and Japan’s fearsome Navy in the Pacific ultimately turns the tide of the war. See more in this clip from Season 1, Episode 5, "The War at Sea."

World War II

Preview: Guadalcanal

See what’s to come in the new episode of World War II with Tom Hanks, premiering Mon., June 8 at 8/7c and streaming the next day.

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World War II

B-17 Bomber Pilot "Lucky" Luckadoo Recalls Black Week

B-17 Bomber Pilot John H. "Lucky" Luckadoo recalls his harrowing experience during "Black Week" in October 1943, as a member of the 100th Bomb Group of the 8th Air Force, which became known as the "Bloody Hundredth."

World War II

Maud Dahme: "Hidden Child" of the Holocaust

Holocaust survivor Maud Dahme talks about her experience as a "hidden child" during the Holocaust in the Netherlands.

World War II

U.S. Marine Corps Veteran Jack McDowell Recalls his Experiences as a Marine in World War II

U.S. Marine Corps Veteran Jack McDowell recalls his experience as a Marine, from his time in boot camp at Montford Point, to the occupation of Tokyo, and the awarding of the Congressional Gold Medal to the Montford Point Marines.

World War II

US Navy Veteran George Olson Recalls the Battle of Okinawa

U.S. Navy veteran George Olson recalls his experience at the Battle of Okinawa and his miraculous escape when his ship, the USS Twiggs, was sunk during a Japanese kamikaze attack.

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World War II

US Navy Veteran Steve Ellis On Kamikaze Attacks

U.S. Navy Veteran Steve Ellis talks about what it was like to endure a kamikaze attack during World War II..

World War II

US Army Veteran James Deal Recalls D-Day

U.S. Army Veteran James Deal recalls his experience on D-Day during World War II.

World War II

B-17 Bomber Pilot "Lucky" Luckadoo on the "Four F's"

B-17 Bomber Pilot John H. "Lucky" Luckadoo explains the "Four F's" that plagued every bomber pilot during World War II—fear, fighter jets, flak and freezing temperatures.

World War II

B-17 Bomber Pilot "Lucky" Luckadoo on Surviving War

B-17 Bomber Pilot John H. "Lucky" Luckadoo talks about what it took to survive World War II.

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World War II

US Navy Veteran George Olson Recalls the Iwo Jima Flag Raising

U.S. Navy veteran George Olson recalls seeing the flag raising at Iwo Jima from his ship, the USS Twiggs.

World War II

Save Our History: The National World War II Museum

The History Channel is proud to support the work of The National World War II Museum to preserve the stories of America's World War II veterans.

World War II

Operation Barbarossa: Invasion of the Soviet Union

The story of Operation Barbarossa, Hitler’s massive surprise invasion of the Soviet Union in 1941, the largest and costliest land offensive in human history. See more in this clip from Season 1, Episode 3, "Barbarossa."

World War II

The Attack on Pearl Harbor Changed Everything

Japan escalates their war in China, drawing increasing US sanctions and widespread outrage. Driven by resource shortages and military ideology, Japan attacks Pearl Harbor in a move that will reshape the course of World War II. See more in this clip from Season 1, Episode 4, "Pearl Harbor."

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