336–323 BC
In thirteen years, Alexander III of Macedon conquered an empire stretching from Greece to the borders of India — the largest the ancient world had ever seen. Beginning with his crossing into Asia in 334 BC and ending with his death in Babylon at thirty-two, Alexander's campaigns transformed the ancient world, spread Greek civilization from Egypt to Central Asia, and left a power vacuum his successors spent fifty years fighting over.
Chapter-by-chapter narrative with maps, primary sources, and key events.
Explore battles on a live map with a timeline slider and territory overlays.
Deep-dive into every major engagement — commanders, casualties, significance.
Biographical flip cards with real portraits, facts, and full biography pages.
Trace each figure's full life journey — birth, education, battles, and death — on a live map.
Scroll-driven visualization of casualties — each dot a thousand lives.
Weapons, war machines, and the military innovations that defined how this conflict was fought.
Cause-and-effect chains tracing the war's long shadow on history.
War crimes, massacres, and the darkest chapters of this conflict — documented for history.
In thirteen years, Alexander III of Macedon conquered an empire stretching from Greece to the borders of India — the largest the ancient world had ever seen. Beginning with his crossing into Asia in 334 BC and ending with his death in Babylon at thirty-two, Alexander's campaigns transformed the ancient world, spread Greek civilization from Egypt to Central Asia, and left a power vacuum his successors spent fifty years fighting over.
The Macedonian Conquests was fought from 336 to 323 BC.
The Macedonian Conquests was fought between Macedonian Empire and Achaemenid Persian Empire.
An estimated 400,000 people died in The Macedonian Conquests, including roughly 280,000 military and 120,000 civilian deaths. Figures are scholarly estimates and vary by source.
Major engagements included Battle of Issus, Battle of Gaugamela, Siege of Tyre, and Battle of the Persian Gates.