The temperature on June 4, 1890 was about 18.7 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 67%. Source: KNMI
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
July 27 » Vincent van Gogh shoots himself and dies two days later.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
November 29 » The Meiji Constitution goes into effect in Japan, and the first Diet convenes.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
Day of death June 21, 1954
The temperature on June 21, 1954 was between 11.8 °C and 19.6 °C and averaged 15.1 °C. There was 1.8 mm of rain during 1.8 hours. There was 5.7 hours of sunshine (34%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 7 » Georgetown-IBM experiment: The first public demonstration of a machine translation system is held in New York at the head office of IBM.
January 14 » The Hudson Motor Car Company merges with Nash-Kelvinator Corporation forming the American Motors Corporation.
April 7 » United States President Dwight D. Eisenhower gives his "domino theory" speech during a news conference.
August 15 » Alfredo Stroessner begins his dictatorship in Paraguay.
November 7 » In the US, Armistice Day becomes Veterans Day.
December 2 » Cold War: The United States Senate votes 65 to 22 to censure Joseph McCarthy for "conduct that tends to bring the Senate into dishonor and disrepute".
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I8231.php : accessed January 23, 2026), "Maria Duijn (1890-1954)".
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