What happened on December 27

42 documented historical events happened on December 27, from antiquity to the present day. The best known is this: The reconstructed Hagia Sophia in Constantinople was inaugurated; built as a church, it later became a mosque and a museum. On the same day, in another year: A period of unrest in Wittenberg following the arrival of three men of the Radical Reformation, known as the Zwickau prophets, was quelled after Martin Luther's release from custody. 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 December 27, including Charles Sweeney, Lucas Mangope, Jim McClure (politician). 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.

125 people with a Wikipedia article died on December 27, including Nilus the Younger, Sviatoslav II of Kiev, Bertha of Savoy. 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.

12 observances are celebrated on December 27 around the world: Christian feast day: Blessed Francesco Spoto, Christian feast day: Blessed Sára Salkaházi, Christian feast day: Fabiola, Christian feast day: John the Apostle, Christian feast day: Pope Maximus of Alexandria, Christian feast day: Nicarete. 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.