What happened on March 12

40 documented historical events happened on March 12, from antiquity to the present day. The best known is this: The Gothic king Vitiges ended his year-long siege of Rome, which was defended by the Byzantine general Belisarius On the same day, in another year: Odo of Châtillon was elected as the 159th pope of the Catholic Church. 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 12, including Virginia Bottomley, Rob Cohen, Mary Catherine Lamb. 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.

65 people with a Wikipedia article died on March 12, including Pope Innocent I, Pope Gregory I, Symeon the New Theologian. 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.

17 observances are celebrated on March 12 around the world: Arbor Day (China), Arbor Day (Taiwan), Aztec New Year, Christian feast day: Alphege, Christian feast day: Angela Salawa, Christian feast day: Bernard of Carinola (or of Capua). 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.