Timeline
Events · 391 · ≤ 500 CE

Library of Alexandria by Theodosius I (391)

Library of Alexandria by Theodosius I took place in 391, during the Ancient World (4th century) — a moment that historians still return to for what it changed and what it revealed about its time.

Year

391

Century

4th century

Era

Ancient World

Category

Events

Age today

1579 yrs ago

Context

Ancient World — Empires, philosophers, and the first great cities. That's around 1579 years ago — deep history, roughly 16 centuries in the past. Around the same time, the world was also seeing the last Ancient Olympic Games recorded (393) and St. Patrick (387).

Why it matters

Library of Alexandria by Theodosius I is remembered because its consequences outlasted the moment — the people affected, the decisions it forced, and the way it reset the story of what came next.

Did you know?

Just 2 years after, the last Ancient Olympic Games recorded (393) was also making headlines — a reminder how much history can compress into a single decade.

Era

Ancient World

Empires, philosophers, and the first great cities.

Category

Events

Events tell the story of moments that reshaped daily life — disasters, revolutions, discoveries, and turning points that split history into before and after.

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turning pointaftermathchronologycause & effect

Contemporary events

What else was happening in the world around this time.

Sources & further reading7 verified references · tap to open

About this lesson. Overview, context, and “Why it matters” are generated summaries written for study and gameplay. Dates and category placement come from the Timeline question bank[1]; era descriptions are adapted from standard historical periodisation[2]. For primary sources and in-depth reading, use the references below.

  1. Timeline question bank — © the game's original author, used with permission.
  2. Era framework based on Wikipedia's Human history overview, CC BY-SA 4.0.

Educational content notice

Lessons are for general historical education, not professional advice. Some entries touch on wars, violence, or other sensitive events — appropriate for ages 9+. External links open in your browser and are not controlled by Timeline.

Quick check

Which of these happened in 391?

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