Categories - Religion, Ethics
- Ann Lee
- Anne Boleyn
- Anne Frank
- Anne Hutchinson
- Annie Besant
- Anti-Defamation League Is Founded
- Anti-Irish Riots
- Antisthenes
- Appearance of the Waldensians
- Appearance of Zoroastrian Ditheism
- Aqhat Epic Is Composed in Ugarit
- Arab Terrorists Murder Israelis at Munich Olympics
- Archaeologists Unearth Ancient Scrolls
- Armenian Genocide
- Armenian Massacres
- Arnold of Villanova
- Arvol Looking Horse
- Aryan Conquest of India
- Asanga
- Aśoka
- Aśoka Reigns over India
- Aśvaghosa
- Aśvaghosa Composes Complete Biography of the Buddha
- Auguste Comte
- Australian Aborigines Create Wandjina Cave Paintings
- Ayatollah Khomeini
- Baal Shem Tov
- The Balfour Declaration Supports a Jewish Homeland in Palestine
- Baptism of Clovis
- Bartolomé de Las Casas
- Bartolomé de Las Casas Publishes Brief Relation of the Destruction of the Indies
- Bathsheba
- Battle of Acre
- Battle of Algiers
- Battle of Aliwal
- Battle of Arsuf
- Battle of Breitenfeld
- Battle of Dorylaeum
- Battle of Ferozeshah
- Battle of Golan Heights
- Battle of Gujerat
- Battle of Hattin
- Battle of Ivry
- Battle of Las Navas de Tolosa
- Battle of Lepanto
- Battle of Mansura
- Battle of Nicopolis
- Battle of Ramleh
- Battle of Talas River
- Battle of Tannenberg
