What happened on September 25

46 documented historical events happened on September 25, from antiquity to the present day. The best known is this: After the assassination of Aurelian, Tacitus (depicted) was chosen by the Senate to succeed him as Roman emperor. On the same day, in another year: Viking expansion: A Viking fleet arrived near Seville, then part of the Emirate of Córdoba, and began a raid of the city that was eventually repelled by Muslim defenders. 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.

160 people with a Wikipedia article were born on September 25, including Cheryl Tiegs, Mimi Kennedy, Vladimir Yevtushenkov. The list spans every era and every field — art, science, politics, sport, entertainment — ordered by year of birth, from the earliest to the most recent. The six featured people are those most has been written about: the ordering uses the length of their Wikipedia article as an indicator of prominence. For each one you find their occupation, year of birth and a link to the full biography.

121 people with a Wikipedia article died on September 25, including Harald Hardrada, Tostig Godwinson, William VIII of Aquitaine. 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.

18 observances are celebrated on September 25 around the world: Armed Forces Day or Revolution Day (Mozambique), Bangladeshi Immigration Day (United States), Christian feast day: Abadir and Iraja and Companions (Coptic Church), Christian feast day: Aunarius (Aunacharius), Christian feast day: Anathalon (Archdiocese of Milan), Christian feast day: Cadoc. The list gathers national holidays, international days and religious or civil observances falling on this date in different countries, as recorded on Wikipedia. Some are fixed and recur on the same day every year; others depend on the local calendar. Each links to the article explaining its origin and meaning.