History Library
Real answers to the big history questions
Every article below answers a question people actually ask. Our newly fact-checked pages label what is documented, what comes from a historical account, and what remains disputed. Some subjects also exist as short stories in Histia; in-app availability varies by topic.
How Did the Aztec Empire Fall?
Mexico · 1519–1521
Read the evidence →Who Was Mansa Musa?
Mali Empire · 14th century
Read the evidence →Why Did the Soviet Union Collapse?
Soviet Union · 1985–1991
Read the evidence →What Caused the Russian Revolution?
Russia · 1917
Read the answer →Elizabeth I: Facts Behind the Virgin Queen
England · 1533–1603
Read the answer →What Did Galileo Discover?
Italy · 1564–1642
Read the answer →How Did the Korean War Start?
Korea · 1950–1953
Read the answer →How Long Was the Hundred Years' War?
England & France · 1337–1453
Read the answer →Charlemagne: Facts About the Father of Europe
Frankish Empire · c. 748–814
Read the answer →Who Was Confucius?
China · 551–479 BCE
Read the answer →What Caused the American Civil War?
United States · 1861–1865
Read the answer →What Was the Renaissance?
Europe · c. 1400–1600
Read the answer →What Was the Enlightenment?
Europe · c. 1650–1800
Read the answer →What Happened at the Battle of Marathon?
Greece · 490 BCE
Read the answer →Catherine the Great: Facts Behind the Legend
Russia · 1729–1796
Read the answer →What Caused the French Revolution?
France · 1789
Read the answer →What Happened on D-Day?
Normandy · 6 June 1944
Read the answer →Why Did the Vietnam War Start?
Vietnam · 1954–1965
Read the answer →Did Columbus Discover America?
Atlantic world · 1492
Read the answer →What Is the Magna Carta?
England · 1215
Read the answer →What Did Martin Luther Do?
Holy Roman Empire · 1517
Read the answer →Leonardo da Vinci: Facts Behind the Genius
Italy · 1452–1519
Read the answer →When Did the Industrial Revolution Start?
Britain · c. 1760–1840
Read the answer →What Was the Silk Road?
Eurasia · c. 130 BCE – 1453 CE
Read the answer →Winston Churchill: Facts Behind the Legend
Britain · 1874–1965
Read the answer →Ancient Civilizations Timeline by Date and Region
Global ancient history · c. 3500 BCE–650 CE
Compare the timeline →Why Was Anne Boleyn Executed?
Tudor England · 19 May 1536
Examine the evidence →How Were the Egyptian Pyramids Built?
Ancient Egypt · c. 2600–2500 BCE
Read the answer →Why Did the Roman Empire Fall?
Ancient Rome · 476 CE
Read the answer →How Did Cleopatra Die?
Ancient Egypt · 30 BCE
Read the answer →Who Killed Julius Caesar — and Why?
Ancient Rome · 15 March 44 BCE
Read the answer →What Caused World War 1?
Modern era · 1914–1918
Read the answer →How Did World War 2 Start?
Modern era · 1939–1945
Read the answer →Genghis Khan: Facts About History's Greatest Conqueror
Medieval Asia · 1162–1227
Read the answer →Who Was Joan of Arc?
Medieval France · 1412–1431
Read the answer →Why Was Napoleon Exiled Instead of Executed?
Napoleonic era · 1769–1821
Read the answer →Why Did the Berlin Wall Fall?
Cold War · 9 November 1989
Read the answer →Did We Really Land on the Moon?
Space Race · 20 July 1969
Read the answer →Albert Einstein: Facts Behind the Legend
Modern science · 1879–1955
Read the answer →How Did Alexander the Great Die?
Ancient Greece · June 323 BCE
Read the answer →Why Was Abraham Lincoln Assassinated?
American Civil War era · 14–15 April 1865
Read the answer →Why Did the American Colonies Revolt Against Britain?
American Revolution · 1765–1776
Read the answer →What Did Rosa Parks Actually Do?
US Civil Rights · 1 December 1955
Read the answer →How Long Was Nelson Mandela in Prison?
South Africa · 1962–1990
Read the answer →How Did the Printing Press Change the World?
Renaissance Europe · c. 1440–1455
Read the answer →What Was the Cold War, Really?
Global · 1947–1991
Read the answer →What Did Marie Curie Discover?
Modern science · 1867–1934
Read the answer →Continue with short history stories
Histia offers a growing library of short history stories, short quiz rounds on most of them, and a map spanning 3000 BCE through 2025. The app is free to download for iPhone and iPad (iOS 18+).
View Histia on the App Store