Historedia
Episode 1 of 4

Prussian Ultimatum

When
1 October 1806
Where
unresolved diplomatic site
Part of
Prussian ultimatum and outbreak of the War of the Fourth Coalition

Prussia issued an ultimatum to Napoleon on 1 October 1806, deciding to contend militarily with France.

Prussia issued an ultimatum to Napoleon on 1 October 1806. This action followed fears of French power and territorial plans. Prussia, supported by Saxony, decided to contend militarily with the French Emperor, joining a renewed coalition.

Sources

  1. War of the Fourth Coalition Wikipedia, revision of 2026-09-03

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.