Skip to content
Almanaccolo

Died on

April

Who died on April 23

125 figures who shaped history died on April 23.

Best known

Best known

303 — Calendar year, who died on April 23 303.

AD 711 — Calendar year, who died on April 23 711.

Æthelred I of Wessex — King of Wessex from 865 to 871, who died on April 23 871.

Adalbert of Prague — Bohemian missionary and saint (c. 956 – 997), who died on April 23 997.

Brian Boru — Historical king of Ireland from 1002 to 1014, who died on April 23 1014.

Æthelred the Unready — King of England (r. 978–1013; 1014–1016), who died on April 23 1016.

All entries

Frequently asked questions

Who died on April 23?

125 people with a Wikipedia article died on April 23, including 303, AD 711, Æthelred I of Wessex. The list is in chronological order by year of death and spans all of documented history, from antiquity to the present day. For each person you find their occupation, the year and a link to the Wikipedia biography, where the full story and its sources can be read.

What happened on April 23?

48 documented historical events happened on April 23, from antiquity to the present day. The best known is this: The Vikings were defeated by the Irish at the Battle of Clontarf. On the same day, in another year: Edmund Ironside became King of England, reigning for only seven months before the country was conquered by Cnut the Great. On Almanaccolo every event is listed in chronological order, grouped by century, and links to the Wikipedia article it comes from, so you can always read further or check the source. Alongside the events you find who was born and who died on this date, and which observances are celebrated around the world.

Keep exploring

Free app

Every day’s history, in your pocket

Almanaccolo greets you each morning with the almanac of the day, sunrise and sunset times and your saved events.

  • Today’s almanac, every morning
  • Save the events that strike you
  • Sunrise, sunset and weather for your city
  • Free, no account required
History in your pocket