What happened on September 9

67 documented historical events happened on September 9, from antiquity to the present day. The best known is this: Germanic Wars: An alliance of Germanic tribes led by Arminius engaged Roman forces at the Battle of the Teutoburg Forest, defeating three legions within a few days. On the same day, in another year: After disposing of all relatives who possibly held a claim to the throne, Constantine II, Constantius II and Constans became Roman co-emperors. 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 September 9, including Ida Mae Martinez, Margaret Tyzack, Carm Lino Spiteri. 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.

111 people with a Wikipedia article died on September 9, including Kang Kamch'an, William the Conqueror, Conrad II of Bohemia. 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.

21 observances are celebrated on September 9 around the world: Christian feast day: Charles Lowder (Church of England), Christian feast day: Ciarán of Clonmacnoise, Christian feast day: Blessed Eurythimia Üffing, Christian feast day: Blessed Francisco Gárate Aranguren, Christian feast day: Constance, Nun, and her Companions (Episcopal Church), Christian feast day: Blessed Maria Torribia. 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.