# Battle of Yarmouk (636)

URL: https://roman-history.com/timeline/636-battle-of-yarmouk
Location: Near the Yarmouk River
Categories: main-event

A decisive defeat ended realistic imperial hopes of holding most of Syria.

## Why it matters
The loss initiated a permanent contraction of Roman power in the Levant.

Ruler at the time: [Heraclius](https://roman-history.com/rulers/heraclius)