What happened on May 22

80 documented historical events happened on May 22, from antiquity to the present day. The best known is this: Arab–Byzantine wars: The Byzantine navy began a raid on the Nile Delta port city of Damietta, whose garrison was absent at the time. On the same day, in another year: Albrecht von Wallenstein and King Christian IV of Denmark signed the Treaty of Lübeck to end Danish intervention in the Thirty Years' War. 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 May 22, including Friedrich Pollock, Juan Arvizu, Maurice J. Tobin. 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.

86 people with a Wikipedia article died on May 22, including Constantine the Great, Empress Genshō, Blanche of England. 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.

20 observances are celebrated on May 22 around the world: Abolition Day (Martinique), Aromanian National Day (marginal, celebration on May 23 is more common), Christian feast day: Castus and Emilius, Christian feast day: Fulk, Christian feast day: Humilita, Christian feast day: Blessed John Forest. 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.