The temperature on July 26, 1890 was about 16.9 °C. The air pressure was 1 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 74%. Source: KNMI
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 3 » Idaho is admitted as the 43rd U.S. state.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of marriage April 22, 1921
The temperature on April 22, 1921 was between 1.5 °C and 12.6 °C and averaged 7.4 °C. There was 0.2 mm of rain. There was 2.3 hours of sunshine (16%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
March 1 » Following mass protests in Petrograd demanding greater freedom in the RSFSR, the Kronstadt rebellion began, with sailors and citizens taking up arms against the Bolsheviks.
May 3 » The Government of Ireland Act 1920 is passed, dividing Ireland into Northern Ireland and Southern Ireland.
September 7 » The Legion of Mary, the largest apostolic organization of lay people in the Catholic Church, is founded in Dublin, Ireland.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
Day of death August 14, 1965
The temperature on August 14, 1965 was between 11.7 °C and 24.7 °C and averaged 18.3 °C. There was 12.8 hours of sunshine (87%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
March 30 » Vietnam War: A car bomb explodes in front of the United States Embassy, Saigon, killing 22 and wounding 183 others.
June 22 » The Treaty on Basic Relations between Japan and the Republic of Korea is signed.
August 4 » The Constitution of the Cook Islands comes into force, giving the Cook Islands self-governing status within New Zealand.
August 19 » Japanese prime minister Eisaku Satō becomes the first post-World War II sitting prime minister to visit Okinawa Prefecture.
November 24 » Joseph-Désiré Mobutu seizes power in the Democratic Republic of the Congo and becomes President; he rules the country (which he renames Zaire in 1971) for over 30 years, until being overthrown by rebels in 1997.
December 9 » Kecksburg UFO incident: A fireball is seen from Michigan to Pennsylvania; witnesses report something crashing in the woods near Pittsburgh.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I212656.php : accessed February 18, 2026), "Dirk Pieter Harkema (1890-1965)".
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