Historedia
Episode 3 of 3

Surrender of Siena

When
April 1555
Where
Siena
Part of
Surrender of Siena

Siena surrendered to Imperial forces in April 1555, ending the Republic.

After 18 months of resistance, the Republic of Siena surrendered in April 1555. Sources differ on the exact date, citing either 15 or 21 April. This event marked the end of the independent Sienese state.

Sources

  1. Republic of Siena Wikipedia, revision of 2026-07-10
  2. Italian War of 1551–1559 Wikipedia, revision of 2026-08-22

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.