What happened on October 31

48 documented historical events happened on October 31, from antiquity to the present day. The best known is this: Romulus Augustulus took the throne as the last emperor of the Western Roman Empire. On the same day, in another year: Martin Luther (pictured) posted his Ninety-five Theses onto the door of All Saints' Church in Wittenberg, marking the beginning of the Protestant Reformation. 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 October 31, including William Orchard (water polo), Bud Spencer, Michael Collins (astronaut). 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.

109 people with a Wikipedia article died on October 31, including Al-Muqtadir, Wolfgang of Regensburg, Abe no Seimei. 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.

22 observances are celebrated on October 31 around the world: Christian feast day: Alphonsus Rodriguez, Christian feast day: Ampliatus, Christian feast day: Begu, Christian feast day: Erc of Slane (in Cornwall), Christian feast day: Foillan (in Namur), Christian feast day: Martin Luther (Anglican Communion). 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.