The temperature on June 22, 1889 was about 21.5 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 63%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
January 15 » The Coca-Cola Company, then known as the Pemberton Medicine Company, is incorporated in Atlanta.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
November 14 » Pioneering female journalist Nellie Bly (aka Elizabeth Cochrane) begins a successful attempt to travel around the world in less than 80 days. She completes the trip in 72 days.
Day of marriage December 9, 1917
The temperature on December 9, 1917 was between 0.3 °C and 5.4 °C and averaged 3.7 °C. There was 5.8 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
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.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
June 13 » World War I: The deadliest German air raid on London of the war is carried out by Gotha G.IV bombers and results in 162 deaths, including 46 children, and 432 injuries.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
October 26 » First World War: Brazil declares war on the Central Powers.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
Day of death November 26, 1966
The temperature on November 26, 1966 was between 4.0 °C and 8.5 °C and averaged 6.7 °C. There was 5.7 mm of rain during 6.1 hours. The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
February 4 » All Nippon Airways Flight 60 plunges into Tokyo Bay, killing 133.
February 14 » Australian currency is decimalized.
March 4 » In an interview in the London Evening Standard, The Beatles' John Lennon declares that the band is "more popular than Jesus now".
March 8 » Nelson's Pillar in Dublin, Ireland, destroyed by a bomb.
August 22 » Labor movements NFWA and AWOC merge to become the United Farm Workers Organizing Committee (UFWOC), predecessor of the United Farm Workers.
August 29 » Leading Egyptian thinker Sayyid Qutb is executed for plotting the assassination of President Gamal Abdel Nasser.
When copying data from this family tree, please include a reference to the origin: Wim de Vries, "Family tree Kaempff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaempff/I511.php : accessed January 6, 2026), "Hendrikje Post (1889-1966)".
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