imperialism

Table of Contents

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

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.

© Fine Art Images/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.

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