By Series - Great Events from History: The Ancient World, Prehistory-476
- Acupuncture Develops in China
- Adena Mound Builders Live in North America
- Adoption of the Nicene Creed
- Advances Are Made in Chinese Agricultural Technology
- Alani Gain Power
- Aleutian Coastal Hunters Flourish
- Alexander the Great Begins Expansion of Macedonia
- Alexander the Great Invades the Indian Subcontinent
- Anasazi Civilization Flourishes in American Southwest
- Ancient Ghana Emerges
- Andronovo Culture Rises in Central Asia
- Appearance of Zoroastrian Ditheism
- Aqhat Epic Is Composed in Ugarit
- Arameans Emerge in Syria and Mesopotamia
- Archaic Indians Adapt to Warmer Climates
- Ardashīr I Establishes the Sāsānian Empire
- Aristotle Isolates Science as a Discipline
- Aristotle Writes the Politics
- Armenian Empire Reaches Its Peak Under Tigranes the Great
- Aśoka Reigns over India
- Aśvaghosa Composes Complete Biography of the Buddha
- Athenian Empire Is Created
- Athenian Invasion of Sicily
- Australian Aborigines Create Wandjina Cave Paintings
- Ban Chiang Culture Flourishes in Thailand
- Bantu People Invent Copper Metallurgy
- Bantu Peoples Spread Farming Across Southern Africa
- Battle of Actium
- Battle of Adrianople
- Battle of Chaeronea
- Battle of Châlons
- Battle of Gaugamela
- Battle of Issus
- Battle of Kadesh
- Battle of Marathon
- Battle of Teutoburg Forest
- Battle of Zama
- BaTwa Peoples Thrive in Central Africa
- Beaker People Live in Western Europe
- Berber Kingdoms of Numidia and Mauretania Flourish
- Berbers Expand Across North Africa
- Bering Strait Migrations
- The Bhagavad Gita Is Created
- Birth of Buddhism
- Birth of Jesus Christ
- Birth of Judaism
- Birth of Shintō
- Bodhidharma Brings Chan Buddhism to China
- Boudicca Leads Revolt Against Roman Rule
- Buddhism Enters China
