# Frederick Augustus I begins to rule (1807)

URL: https://poland-history.com/timeline/1807-frederick-augustus-i-begins-to-rule
Location: Poland
Categories: ruler-change

Frederick Augustus I became Duke of Warsaw (1807–1815). King of Saxony appointed by Napoleon as Duke of Warsaw; grandson of Augustus III. Within the broader Napoleonic & Congress Poland period: Poles fought beside Napoleon in hope of restoring their state, gaining the Duchy of Warsaw. After 1815 the Congress Kingdom of Poland enjoyed a constitution under the Russian tsar until the November Uprising. At this point in the timeline (22 July 1807), the governing authority was Frederick Augustus I (Duke of Warsaw). King of Saxony appointed by Napoleon as Duke of Warsaw; grandson of Augustus III. Frederick Augustus I begins to rule mattered because succession and legitimacy shaped alliances, institutions and the direction of state policy. The event is placed here so readers can follow it alongside changes in government, warfare, society, religion and culture across Polish history.

## Why it matters
Frederick Augustus I begins to rule mattered because succession and legitimacy shaped alliances, institutions and the direction of state policy.

Ruler at the time: [Frederick Augustus I](https://poland-history.com/rulers/frederick-augustus-i)

## Sources
- [Wikipedia — Frederick Augustus I of Saxony](https://en.wikipedia.org/wiki/Frederick_Augustus_I_of_Saxony)
- [Encyclopaedia Britannica topic lookup — Frederick Augustus I begins to rule](https://www.britannica.com/search?query=Frederick+Augustus+I+begins+to+rule)
- [Wikipedia — Congress Poland (period overview)](https://en.wikipedia.org/wiki/Congress_Poland)