Curriculum - Ancient History
- Aaron
- Abraham
- Acupuncture Develops in China
- Adena Mound Builders Live in North America
- Adoption of the Nicene Creed
- Advances Are Made in Chinese Agricultural Technology
- Aeschylus
- Aesop
- Aetius
- Agesilaus II of Sparta
- Agrippina the Younger
- Akhenaton
- Akiba ben Joseph
- Alani Gain Power
- Alaric
- Alcibiades
- Alcibiades of Athens
- Alcmaeon
- Aleutian Coastal Hunters Flourish
- Alexander the Great
- Alexander the Great Begins Expansion of Macedonia
- Alexander the Great Invades the Indian Subcontinent
- Alexander’s Wars of Conquest
- Amazons
- Amenhotep III
- Anasazi Civilization Flourishes in American Southwest
- Anaxagoras
- Anaximander
- Anaximenes of Miletus
- Ancient Ghana Emerges
- Ancient Warfare
- Andronovo Culture Rises in Central Asia
- Antigonus I Monophthalmos
- Antiochus the Great
- Antisthenes
- Antonia Minor
- Apollonius of Perga
- Appearance of Zoroastrian Ditheism
- Aqhat Epic Is Composed in Ugarit
- Arameans Emerge in Syria and Mesopotamia
- Archaic Indians Adapt to Warmer Climates
- Archimedes
- Ardashīr I Establishes the Sāsānian Empire
- Aretaeus of Cappadocia
- Aristippus
- Aristophanes
- Aristotle
- Aristotle Isolates Science as a Discipline
- Aristotle Writes the Politics
- Aristoxenus
