Historedia
Episode 1 of 3

Plombières Agreement

When
21 July 1858
Where
Plombières-les-Bains
Part of
Cavour goads Austria toward attacking Sardinia

Cavour and Napoleon III met at Plombières-les-Bains to agree on a plan to provoke Austria into war with Sardinia.

The secret verbal agreement took place on 21 July 1858. Cavour agreed to cede Savoy and Nice to France. The plan involved Piedmont provoking war with the Duchy of Modena, obliging Austria to enter, with France aiding Piedmont.

Sources

  1. Plombières Agreement Wikipedia, revision of 2026-01-04
  2. Camillo Benso, Count of Cavour Wikipedia, revision of 2026-10-05

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.