Who died on September 23

97 people with a Wikipedia article died on September 23, including Ælfwald I of Northumbria, Al-Mutanabbi, Robert IV of Sablé. 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.

43 documented historical events happened on September 23, from antiquity to the present day. The best known is this: Pope Callixtus II and Holy Roman emperor Henry V agreed the Concordat of Worms (pictured), ending the Investiture Controversy. On the same day, in another year: The Battle of Arnemuiden, in which a French force defeats the English, is the first naval battle of the Hundred Years' War. 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.