imperialism

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Introduction & Top Questions References & Edit History Related Topics

Images & Videos

Alexander the Great

Extent of the Roman Empire in 117 ce

A collage featuring four colonial-era European figures in military and formal attire, a yellow map of Africa, and a vintage cartoon of imperialism in the background.

For Students

imperialism summary

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Operation Barbarossa, German troops in Russia, 1941. Nazi German soldiers in action against the Red Army (Soviet Union) at an along the frontlines in the early days of the German invasion of the Soviet Union, 1941. World War II, WWII

75th Anniversary of Operation Barbarossa

Queen Elizabeth II addresses at opening of Parliament. (Date unknown on photo, but may be 1958, the first time the opening of Parliament was filmed.)

All 119 References in “We Didn’t Start the Fire,” Explained

Alexander the Great on his deathbed

How Did Alexander the Great Really Die?

Communism - mosaic hammer and sickle with star on the Pavilion of Ukraine at the All Russia Exhibition Centre (also known as VDNKh) in Moscow. Communist symbol of the former Soviet Union. USSR

Why Did the Soviet Union Collapse?

"Napoleon Crossing the Alps" oil on canvas by Jacques-Louis David, 1800; in the collection of Musee national du chateau de Malmaison.

Was Napoleon Short?

Discover

illustration of the walking titanosaurus, Patagotitan mayorum

Titanosaurs: 8 of the World's Biggest Dinosaurs

Groups of depositors in front of the closed American Union Bank, New York City. April 26, 1932. Great Depression run on bank crowd

Causes of the Great Depression

pg 229Nazi parade features a banner proclaiming, "Death to Marxism."The possibility of a peaceful Germany after World War I was precluded entirely by the terms of the Versailles Treaty and theintransigent hostility of France and England. Stripped of indu

Were the Nazis Socialists?

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

Nazi Germany, Nazi SS troops marching with victory standards at the Party Day rally in Nuremberg, Germany, 1933. (Schutzstaffel, Nazi Party, Nurnberg)

Why Was Nazi Germany Called the Third Reich?

Illustration for Demystified "How Dangerous is Quicksand"

How Deadly Is Quicksand?

imperialism: Media

political science

Videos

A collage featuring four colonial-era European figures in military and formal attire, a yellow map of Africa, and a vintage cartoon of imperialism in the background.

What was the Scramble for Africa?

African colonization changed history—and the map.

Video: Encyclopædia Britannica, Inc.

Images

Persian empire

Persian empire

The Persian empire at its greatest extent.

Encyclopædia Britannica, Inc.

Alexander the Great

Alexander the Great

A painting showing Alexander the Great dressed for battle.

© Heritage Images—Hulton Fine Art Collection/Getty Images

Extent of the Roman Empire in 117 ce

Extent of the Roman Empire in 117 ce

Encyclopædia Britannica, Inc.

VIEW MORE in these related Britannica articles: