Curriculum - Western Civilization/European History
- Adoption of the Nicene Creed
- Aeschylus
- Aesop
- Aetius
- Agesilaus II of Sparta
- Agrippina the Younger
- Alani Gain Power
- Alcibiades
- Alcibiades of Athens
- Alcmaeon
- Alexander the Great
- Alexander the Great Begins Expansion of Macedonia
- Alexander the Great Invades the Indian Subcontinent
- Alexius I Comnenus
- Amazons
- Anaxagoras
- Anaximander
- Anaximenes of Miletus
- Ancient Warfare
- Andronovo Culture Rises in Central Asia
- Animals in War
- Antigonus I Monophthalmos
- Antiochus the Great
- Antisthenes
- Antonia Minor
- Archimedes
- Aretaeus of Cappadocia
- Aristippus
- Aristophanes
- Aristotle
- Aristotle Isolates Science as a Discipline
- Aristotle Writes the Politics
- Aristoxenus
- Armenian Empire Reaches Its Peak Under Tigranes the Great
- Arminius
- Arria the Elder
- Arria the Younger
- Artists Find Inspiration in African Tribal Art
- Asclepiades of Bithynia
- Aspasia of Miletus
- Athenian Empire Is Created
- Athenian Invasion of Sicily
- Atossa
- Attila
- Augustus
- Aulus Cornelius Celsus
- Baron Menno van Coehoorn
- Bathsheba
- Battle of Actium
- Battle of Adrianople
