The temperature on October 20, 1912 was between 5.5 °C and 12.1 °C and averaged 9.0 °C. There was 3.8 mm of rain. There was 0.4 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
April 20 » Opening day for baseball's Tiger Stadium in Detroit, and Fenway Park in Boston.
November 28 » Albania declares its independence from the Ottoman Empire.
Day of death May 25, 1951
The temperature on May 25, 1951 was between 8.0 °C and 16.1 °C and averaged 13.4 °C. There was 5.7 mm of rain during 3.7 hours. There was 0.1 hours of sunshine (1%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
March 3 » Jackie Brenston, with Ike Turner and his band, records "Rocket 88", often cited as "the first rock and roll record", at Sam Phillips's recording studios in Memphis, Tennessee.
March 14 » Korean War: United Nations troops recapture Seoul for the second time.
May 16 » The first regularly scheduled transatlantic flights begin between Idlewild Airport (now John F Kennedy International Airport) in New York City and Heathrow Airport in London, operated by El Al Israel Airlines.
May 21 » The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition: A gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School.
December 20 » The EBR-1 in Arco, Idaho becomes the first nuclear power plant to generate electricity. The electricity powered four light bulbs.
December 24 » Libya becomes independent. Idris I is proclaimed King of Libya.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I1945.php : accessed February 16, 2026), "Maria Catharina Gertruda Knippenberg (1912-1951)".
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