What happened on March 25

54 documented historical events happened on March 25, from antiquity to the present day. The best known is this: Constantine was selected as one of the last popes of the Byzantine Papacy. On the same day, in another year: Byzantine emperor Theodosius III abdicated in favour of Leo the Isaurian after he captured Theodosius's son. 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 March 25, including Flannery O'Connor, Anthony Quinton, Kishori Sinha. 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 March 25, including Taira no Masakado, Nicodemus of Mammola, Afonso II of Portugal. 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.

32 observances are celebrated on March 25 around the world: Anniversary of the Arengo and the Feast of the Militants (San Marino), Christian feast days: Feast of the Annunciation, Christian feast days: March 25 (Eastern Orthodox liturgics), Christian Saints' days Ælfwold II of Sherborne, Christian Saints' days Blessed Marie-Alphonsine Danil Ghattas, Christian Saints' days Omelyan Kovch (Ukrainian Greek Catholic Church). 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.