Events
- American Fur Company Is Chartered
- American Indian
- American Indian Defense Association
- American Indian Higher Education Consortium
- American Indian Policy Review Commission
- American Indian Religious Freedom Act
- American Indian Studies
- American Indian wars
- The American Management Association Is Established
- American Northwest Indian Wars
- American Revolution
- American Science Fiction Enjoys Its Golden Age
- American Scientists Campaign Against Nuclear Testing
- Americans with Disabilities Act
- Amerind
- Amin Regime Terrorizes Uganda
- Amistad Slave Revolt
- Amnesty International Exposes Cruelty of Death Penalty
- Amnesty International Is Awarded the Nobel Peace Prize
- Amnesty International Is Founded
- Amnesty International Starts Program to Prevent Torture
- The Amoco Cadiz Runs Aground
- The Amos ’n’ Andy Radio Show Goes on the Air
- Amritsar Massacre
- Amtrak Takes Over Most U.S. Intercity Train Traffic
- Anadarko
- Anasazi Civilization Flourishes in American Southwest
- Ancient Ghana Emerges
- An Ancient Sanctuary Is Discovered in El Juyo Cave, Spain
- Ancient Warfare
- Andrews Discovers the First Fossilized Dinosaur Eggs
- Andronovo Culture Rises in Central Asia
- Angles, Saxons, and Jutes
- Anglo-Dutch Wars
- Anglo-French Wars
- Anglo-Irish Agreement Is Signed
- Anglo-Irish War
- The Anglo-Japanese Treaty Brings Japan into World Markets
- Anglo-Scottish Wars of 1290-1388
- Anglo-Scottish Wars of 1513-1560
- Anglo-Spanish War
- Angolan Civil War, 1975-2000
- Angolan Government Shares Power with UNITA Rebels
- Angolan War of Independence
- Animal Welfare Act Regulates Use of Animals in Research
- Animals in War
- The Anschluss
- Anschütz-Kaempfe Installs a Gyrocompass onto a German Battleship
- Antarctic Survey Team Confirms Ozone Depletion
- Anthracite Coal Strike
