What happened on August 12

48 documented historical events happened on August 12, from antiquity to the present day. The best known is this: Crusades: Fatimid forces under al-Afdal Shahanshah began retreating to Egypt after the Battle of Ascalon, concluding the First Crusade. On the same day, in another year: Sweden and the Novgorod Republic signed the Treaty of Nöteborg, resulting in a hiatus in the Swedish–Novgorodian Wars. 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 August 12, including Margaret Burbidge, Vikram Sarabhai, Percy Mayfield. 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.

118 people with a Wikipedia article died on August 12, including Cleopatra, Louis II of Italy, Li Jing (Southern Tang). 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 August 12 around the world: Christian feast day: Euplius, Christian feast day: Eusebius of Milan, Christian feast day: Herculanus of Brescia, Christian feast day: Pope Innocent XI, Christian feast day: Jænberht, Christian feast day: Jane Frances de Chantal. 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.