War of the Third Coalition

Historical eventNovember 31805

War of the Third Coalition

War of the Third Coalition: The Treaty of Potsdam was signed compelling Prussia to join the coalition if it failed to negotiate peace between Russia and France.

Everything on November 3Original source

In context

When
Sunday, November 3 1805221 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
19th century · 1800s
Recorded from
Wikipedia “On this day” feed

Russia, Greece and some other countries used the Julian calendar into the early 20th century, so local records may show a date up to 13 days earlier.

At a glance

Dates: From 1805.

What happened

The War of the Third Coalition was a European conflict lasting from 1805 to 1806 and was the first conflict of the Napoleonic Wars. During the war, France and its client states under Napoleon I and its ally Spain opposed an alliance, the Third Coalition, which was made up of the United Kingdom, the Austrian Empire, the Russian Empire, Naples, Sicily, and Sweden. Prussia remained neutral during the war.

November 3 through the years

Other entries on the same calendar day, in order.

  1. 1805War of the Third Coalition
  2. 1986Compact of Free Association
  3. 1986Iran–Contra affair
  4. 1988Sri Lanka
  5. 1992Arkansas
  6. 1994Space Shuttle program
  7. 1996Abdullah Çatlı
  8. 1997Economic sanctions
  9. 20022002 Marib airstrike
  10. 2014One World Trade Center
  11. 20202020 United States presidential election

Also in 1805

  • March 1Samuel ChaseSamuel Chase, the only Justice of the Supreme Court of the United States to be impeached, was acquitted by the Senate.
  • June 2Napoleonic WarsNapoleonic Wars: A Franco-Spanish fleet recaptured the British-held Diamond Rock, an uninhabited island at the entrance to the bay leadin…
  • June 13Lewis and Clark ExpeditionLewis and Clark Expedition: Meriwether Lewis became the first white American to sight the Great Falls of the Missouri River.
  • November 11War of the Third CoalitionWar of the Third Coalition: French, Austrian and Russian units suffered heavy losses at the Battle of Dürenstein.
  • April 27First Barbary WarFirst Barbary War: U.S. Marines engaged forces of the Barbary Coast at the Battle of Derna in Tripoli, marking the first recorded land ba…

Everything we record for 1805 →

Sources

Cite this page

“War of the Third Coalition”, What's On This Date, https://whatsonthisdate.com/app/event/war-of-the-third-coalition-1805-november-3, accessed October 25, 2026.

Cite the underlying source as well — the source links above go to the record this entry is adapted from.

Questions about this entry

When did War of the Third Coalition happen?

November 3 1805 — 221 years ago, on a Sunday.

Where does this text come from?

Wikipedia “On this day” feed. Summaries are short adaptations that link back to the source, not reprints.

How do I cite this page?

Use the ready-made citation near the sources at the bottom of the page, and follow the source link to cite the underlying record as well.

Text adapted from Wikipedia under CC BY-SA 4.0 and from Wikidata (CC0). Images come from Wikimedia Commons; credit and licence are shown with each image. Editorial entries are © What's On This Date. Sources & licensing · How this site works.