Categories - Military History
- Athenian Invasion of Sicily
- Atlatl
- Atomic Bombing of Japan
- Atomic Bombs Destroy Hiroshima and Nagasaki
- Atomic-Powered Submarine Nautilus Is Launched
- Attack on Mandalay
- Attila
- August von Gneisenau
- August von Mackensen
- Augusto César Sandino
- Aurangzeb
- Australian Military
- Austria Annexes Bosnia and Herzegovina
- Austro-Swiss Wars
- Austro-Turkish Wars
- Avars
- Aztec Empire
- Bābur
- Babylonian Empire
- Bacon's Rebellion
- Bakufu
- Balkan Wars
- Ballistic Weapons
- Baltic States Fight for Independence
- The Baltic States Fight for Independence
- Ban Chao
- Bannock War
- Barbie Faces Nazi War Crimes Charges
- Barbie Is Tried for Nazi War Crimes
- Barboncito
- Baron Friedrich Wilhelm von Steuben
- Baron Manfred von Richthofen
- Baron Menno van Coehoorn
- Barons’ War
- Basarab Defeats Hungarians
- Basil II Conquers the Bulgars
- Basil Liddell Hart
- Basque War for Independence, 1959-2000
- Basques Are Granted Home Rule but Continue to Fight for Independence
- Battalion
- Battle of Aboukir Bay
- Battle of Acoma
- Battle of Acre
- Battle of Actium
- Battle of Adowa
- Battle of Adrianople
- Battle of Aegospotami
- Battle of Agincourt
- Battle of Alexandria
- Battle of Algiers
