Historical eventApril 271805

First Barbary War

First Barbary War: U.S. Marines engaged forces of the Barbary Coast at the Battle of Derna in Tripoli, marking the first recorded land battle by the United States on foreign soil.

Everything on April 27Original source

In context

When
Saturday, April 27 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

First Barbary War: U.S. Marines engaged forces of the Barbary Coast at the Battle of Derna in Tripoli, marking the first recorded land battle by the United States on foreign soil.

April 27 through the years

Other entries on the same calendar day, in order.

  1. 1805First Barbary War
  2. 19941994 South African general election
  3. 1997Andrew Cunanan
  4. 2005Airbus A380
  5. 2006One World Trade Center
  6. 2007Estonia
  7. 2007Israel
  8. 20112011 Super Outbreak
  9. 20122012 Dnipropetrovsk explosions
  10. 2018Panmunjom Declaration
  11. 20262026 Bekasi train collision

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…
  • November 3War of the Third CoalitionWar of the Third Coalition: The Treaty of Potsdam was signed compelling Prussia to join the coalition if it failed to negotiate peace bet…
  • 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.

Everything we record for 1805 →

Sources

Cite this page

“First Barbary War”, What's On This Date, https://whatsonthisdate.com/app/event/first-barbary-war-1805-april-27, accessed October 26, 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 First Barbary War happen?

April 27 1805 — 221 years ago, on a Saturday.

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.

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