Historical eventJanuary 201923

Irish Civil War

During the Irish Civil War the Irish Free State Army executes 11 members of the anti-treaty Irish Republican Army

Everything on January 20Original source

In context

When
Saturday, January 20 1923103 years ago
Category
Historical eventA dated happening — a battle, treaty, launch, discovery, disaster or decision — recorded on this calendar day.
Era
20th century · 1920s
Recorded from
Wikipedia “On this day” feed

At a glance

Dates: From 1923.

What happened

During the Irish Civil War the Irish Free State Army executes 11 members of the anti-treaty Irish Republican Army

January 20 through the years

Other entries on the same calendar day, in order.

  1. 1923Irish Civil War
  2. 1990Red Army
  3. 1991Sudan
  4. 1992Air Inter Flight 148
  5. 2001President of the Philippines
  6. 20092008–2011 Icelandic financial crisis
  7. 2009Iceland
  8. 2009First inauguration of Barack Obama
  9. 20182018 Inter-Continental Hotel Kabul attack
  10. 2018Taliban
  11. 2018Syrian civil war

Also in 1923

  • October 16Roy O. DisneyRoy and Walt Disney (pictured) founded the Disney Brothers Cartoon Studio in Hollywood, which eventually grew to become one of the larges…
  • August 2Calvin CoolidgeCalvin Coolidge became the 30th president of the United States after Warren G. Harding suffered a fatal heart attack.
  • July 24Treaty of LausanneThe Treaty of Lausanne was signed to settle part of the partition of the Ottoman Empire, establishing the boundaries of Greece, Bulgaria…
  • January 11Occupation of the RuhrTroops from France and Belgium invaded the Ruhr to force the Weimar Republic to pay reparations in the aftermath of World War I.
  • January 10Klaipėda RegionLithuanian residents of the Klaipėda Region began a revolt, ahead of a League of Nations decision on their future which they expected to…
  • December 1Gleno DamThe Gleno Dam in the Italian province of Bergamo failed due to poor workmanship, flooding the downstream valley and killing at least 356…
  • September 1Great Kantō EarthquakeThe Great Kantō Earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
  • February 5CricketAustralian cricketer Bill Ponsford made 429 runs to break the world record for the highest first-class score.

Everything we record for 1923 →

Sources

Cite this page

“Irish Civil War”, What's On This Date, https://whatsonthisdate.com/app/event/irish-civil-war-1923-january-20, accessed October 28, 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 Irish Civil War happen?

January 20 1923 — 103 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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