# Leo III - Eastern Roman Emperor

URL: https://roman-history.com/rulers/leo-iii
Reign: 717 – 741 CE
Dynasty: Isaurians
Wikipedia: https://en.wikipedia.org/wiki/Leo_III

Defended Constantinople and initiated iconoclast policy.

## Succession
- Preceded by: [Justinian II](https://roman-history.com/rulers/justinian-ii-705)
- Succeeded by: [Constantine V](https://roman-history.com/rulers/constantine-v)

## Timeline events during this reign
- 717 - [Second Arab Siege of Constantinople](https://roman-history.com/timeline/717-second-arab-siege-of-constantinople)
- 726 - [Imperial Iconoclasm Begins](https://roman-history.com/timeline/726-imperial-iconoclasm-begins)