The temperature on June 20, 1890 was about 19.4 °C. The air pressure was 4 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. Source: KNMI
January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
July 1 » Canada and Bermuda are linked by telegraph cable.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
October 11 » In Washington, D.C., the Daughters of the American Revolution is founded.
Day of marriage February 6, 1913
The temperature on February 6, 1913 was between 4.8 °C and 8.7 °C and averaged 6.6 °C. There was 0.2 mm of rain. There was 3.4 hours of sunshine (36%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
February 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
March 4 » The United States Department of Labor is formed.
March 20 » Sung Chiao-jen, a founder of the Chinese Nationalist Party, is wounded in an assassination attempt and dies 2 days later.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
October 31 » The Indianapolis Streetcar Strike and subsequent riot begins.
November 7 » The first day of the Great Lakes Storm of 1913, a massive blizzard that ultimately killed 250 and caused over $5 million (about $118,098,000 in 2013 dollars) damage. Winds reach hurricane force on this date.
Day of death August 5, 1968
The temperature on August 5, 1968 was between 16.3 °C and 25.5 °C and averaged 19.9 °C. There was 1.1 mm of rain during 1.3 hours. There was 5.3 hours of sunshine (35%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
February 8 » American civil rights movement: The Orangeburg massacre: An attack on black students from South Carolina State University who are protesting racial segregation at the town's only bowling alley, leaves three or four dead in Orangeburg, South Carolina.
March 12 » Mauritius achieves independence from the United Kingdom.
April 4 » Apollo program: NASA launches Apollo 6.
April 4 » Martin Luther King Jr. is assassinated by James Earl Ray at a motel in Memphis, Tennessee.
July 20 » The first International Special Olympics Summer Games are held at Soldier Field in Chicago, with about 1,000 athletes with intellectual disabilities.
July 23 » The only successful hijacking of an El Al aircraft takes place when a Boeing 707 carrying ten crew and 38 passengers is taken over by three members of the Popular Front for the Liberation of Palestine. The aircraft was en route from Rome, to Lod, Israel.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I1987.php : accessed February 17, 2026), "Jenke Pomper (1890-1968)".
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