What happened on April 20

49 documented historical events happened on April 20, from antiquity to the present day. The best known is this: Sun dogs were observed over Stockholm, Sweden, inspiring Vädersolstavlan, the oldest coloured depiction of the city. On the same day, in another year: Bacatá, the main settlement of the Muisca Confederation in present-day Colombia, was conquered by Spanish conquistadors led by Gonzalo Jiménez de Quesada. 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 April 20, including Rose of Lima, Emperor Go-Kōmyō, Charles Plumier. 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.

81 people with a Wikipedia article died on April 20, including Peter Bartholomew, Richard de Clare, 2nd Earl of Pembroke, Güyük Khan. 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.

13 observances are celebrated on April 20 around the world: Christian feast day: Agnes of Montepulciano, Christian feast day: Pope Anicetus, Christian feast day: Blessed Anastazy Jakub Pankiewicz, Christian feast day: Beuno, Christian feast day: Blessed James Bell and John Finch, Christian feast day: Johannes Bugenhagen (Lutheran). 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.