Who died on September 21

100 people with a Wikipedia article died on September 21, including Virgil, Flavius Aetius, Pope Conon. 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.

53 documented historical events happened on September 21, from antiquity to the present day. The best known is this: Norman invasion of Ireland: English and Irish forces conquered Dublin, forcing Ascall mac Ragnaill, the last Norse–Gaelic king of Dublin, into exile. On the same day, in another year: The Treaty of Arras is promulgated, causing Burgundy to switch sides in 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.