World History Portal | Britannica (2025)

Does history really repeat itself, or can we learn from the mistakes of those who came before us? History provides a chronological, statistical, and cultural record of the events, people, and movements that have made an impact on humankind and the world at large throughout the ages.

Browse Subcategories

Age of RevolutionsThe Ancient WorldHistoriansHistoric NobilityGlobal ExplorationThe Middle AgesMilitary LeadersThe Modern WorldPrehistoric AgeUnited States History

Featured content, October 11, 2024

What Was Life Like in Japanese American Internment Camps?

Internment camps for Japanese Americans during World War II were a combination of barbed wire and baseball games.

Leaders of World War I

Learn more about the leaders of World War I.

Major Events in the Life of Constantine I

From birth to Constantinople.

How Did Helen Keller Fly a Plane?

In 1946 deaf-blind writer and activist Helen Keller piloted a plane over the Mediterranean. How?

Byzantine Empire

Byzantine Empire, the eastern half of the Roman Empire, which survived for a thousand years after the western half had crumbled...

Mexican Revolution

Mexican Revolution, (1910–20), a long and bloody struggle among several factions in constantly shifting alliances which resulted...

Seven Years’ War

Seven Years’ War, (1756–63), the last major conflict before the French Revolution to involve all the great powers of Europe....

Thirty Years’ War

Thirty Years’ War, (1618–48), in European history, a series of wars fought by various nations for various reasons, including...

World History Quizzes

Titanic Quiz

You may have seen the blockbuster Hollywood movie, but how much about the Titanic do you really know? Learn more...

Gandhi and Indian History

What method of protest did Mohandas Gandhi advocate? Who was the first Sikh to serve as India’s prime minister? Learn more...

Passage to India

Who was the founder of Jainism? Who was the last Mughal emperor? From Madhya Pradesh to Mohandas Gandhi, test your knowledge...

The Roman Empire

In what year did the Roman Empire come to an end? How many hills was Rome built on? From Julius Caesar to the city-state’s...

Navigating the Sky

In what year was the first balloon launched? In which state was the first sustained manned flight achieved? Test the heights...

Early Aviation

What was the name of Charles Lindbergh’s Atlantic-crossing airplane? Who was the first pilot to fly solo from Hawaii to California?...

Inventions: From Bayonets to Jet Engines

When was the safety pin invented? When was the Model T automobile introduced? Dot your I’s and cross your (model) T’s while...

American Industry and Innovation

Do you know which American building was the first to rise taller than 20 stories? From the transcontinental railroad to the...

Human Exploration: From Earth to Space

Was Australia the last continent to be discovered? Who was the first human to orbit Earth? From treks through the South Pole...

Exploring Russian History

Who was the first democratically elected president of Russia? From "terrible" rulers to infamous Tsars, test your knowledge...

World History Videos

Meet the president who expanded the country's territory to the Pacific Ocean and won the Mexican-American War

Travel across the United States with gold miners to explore the dynamics of the California Gold Rush

Behold the Athenian Acropolis and Roman Colosseum and drive down Appian Way on the Roman road system

Listen to a participant sharing memories and photographs of the March on Washington in 1963

Learn about the U-2 incident and the collapse of the 1960 Paris summit

This Week in History, March 24–29: Find out about the Exxon Valdez oil spill, the renaming of Constantinople, and the Three Mile Island nuclear accident

Learn how an anonymous letter foiled the Gunpowder Plot conspiracy

Uncover the military career and accomplishments of Winfield Scott, one of the United States most distinguished soldiers

Learn how the Declaration of Independence was drafted, reviewed by Congress, and adopted

Compare the Progressive politics of Teddy Roosevelt, William Howard Taft, and Woodrow Wilson

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World History

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World History Subcategories

Nature isn’t always peaceful and idyllic. Earthquakes, tsunamis, hurricanes, and other powerful natural phenomena can have devastating consequences on communities and regions throughout the world. But nature is far from the only instigator of large-scale misfortune; human-made disasters and tragedies, both accidental and intentional, can cause significant misery, damage, and loss of life.

Articles

  • Hurricane Katrina

    storm [2005]

  • Japan earthquake and tsunami of 2011
  • Great Famine

    famine, Ireland [1845–1849]

Age of Revolutions

This general category includes a selection of more specific topics.

Articles

  • French Revolution

    1787–1799

  • Meiji Restoration

    Japanese history

  • Haitian Revolution

    Haitian history

The Ancient World

The modern world may look very different from the world that existed in the time of ancient civilizations, but our modern-day life continues to show the influence of cultures, traditions, ideas, and innovations from hundreds of years ago. Learn more about important historical civilizations, sites, people, and events.

Articles

  • Trojan War

    Greek mythology

  • Roman Empire

    ancient state [27 bce-476...

  • Attila

    king of the Huns

Historians

This general category includes a selection of more specific topics.

Articles

  • Jules Michelet

    French historian

  • Thomas Carlyle

    British essayist and historian

  • Herodotus

    Greek historian

This general category includes a selection of more specific topics.

Articles

  • Mamluk

    Islamic dynasty

  • Ming dynasty

    Chinese history

  • Barmakids

    ʿAbbāsid viziers

Historic Nobility

This general category includes a selection of more specific topics.

Articles

  • Diana, princess of Wales

    British princess

  • Ivan III

    Russian prince

  • Casimir IV

    king of Poland

Global Exploration

This general category includes a selection of more specific topics.

Articles

  • American frontier

    United States history

  • Daniel Boone

    American frontiersman

  • Sir Francis Drake

    English admiral

The Middle Ages

The Middle Ages comprise the period in European history that began with the collapse of Roman civilization in the 5th century CE and lasted until the dawn of the Renaissance in the 13th, 14th, or 15th century. This interval of time saw the development of the Gothic style of art and architecture, flying buttresses and all. It was also the era of the Crusades and of papal monarchy, and it was during this period that the idea of Europe as a distinct cultural unit emerged.

Articles

  • Black Death

    pandemic, medieval Europe [1347–1351]

  • Hundred Years’ War

    England and France [14th–15th century]

  • Battle of Poitiers

    French history [1356]

Military Leaders

This general category includes a selection of more specific topics.

Articles

  • St. Joan of Arc

    French heroine

  • Adolf Hitler

    dictator of Germany

  • Frederick II

    king of Prussia

The Modern World

This general category includes a selection of more specific topics.

Articles

  • Mikhail Gorbachev

    president of Soviet Union

  • Elizabeth II

    queen of United Kingdom

  • World War II

    1939–1945

Prehistoric Age

The prehistoric age covers the millions of years that took place before human beings began to create written records of their life and of the world in which they lived. Archaeology and similar fields of study allow us to fill in the gaps and piece together an image of what life was like for our ancestors, including what kinds of flora and fauna they might have encountered.

Articles

  • prehistoric religion
  • Ancestral Pueblo culture

    North American Indian culture

  • stone tool industry

    archaeology

United States History

As with most nations, the history of the United States contains a number of twists and turns throughout the centuries, from the time of the English colonization of North America up to the modern-day America that we're familiar with. Learn more about the people, events, and movements that left an indelible mark in history and shaped the development of the United States as a nation.

Articles

  • assassination of Martin Luther King, Jr.

    United States history

  • Burr-Hamilton duel

    duel, Weehawken, New Jersey, United States [1804]

  • Battle of Gettysburg

    American Civil War [1863]

Wars, battles, and other domestic or international conflicts, whether armed or diplomatic, are often the outcome of a dispute over natural resources or a struggle for power, influence, and wealth. Major conflicts between nations, peoples, and political groups can end up shifting the cultural and political geography of the world and can also effect change, whether intentional or not, in societal values and the balance of power.

Articles

  • World War I

    1914–1918

  • World War II

    1939–1945

  • Crusades

    Christianity

World History Portal | Britannica (42)

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World History Portal | Britannica (2025)

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