The temperature on March 7, 1907 was between -1.6 °C and 5.7 °C and averaged 2.3 °C. There was 3.6 mm of rain. There was 1.0 hours of sunshine (9%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
January 6 » Maria Montessori opens her first school and daycare center for working class children in Rome, Italy.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
May 23 » The unicameral Parliament of Finland gathers for its first plenary session.
July 29 » Sir Robert Baden-Powell sets up the Brownsea Island Scout camp in Poole Harbour on the south coast of England. The camp runs from August 1 to August 9 and is regarded as the foundation of the Scouting movement.
August 17 » Pike Place Market, a popular tourist destination and registered historic district in Seattle, opened.
October 9 » Las Cruces, New Mexico is incorporated.
Day of death May 23, 1969
The temperature on May 23, 1969 was between 3.9 °C and 18.1 °C and averaged 12.4 °C. There was 8.3 hours of sunshine (52%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 16 » Czech student Jan Palach commits suicide by self-immolation in Prague, Czechoslovakia, in protest against the Soviets' crushing of the Prague Spring the year before.
January 18 » United Airlines Flight 266 crashes into Santa Monica Bay killing all 32 passengers and six crew members.
June 22 » The Cuyahoga River catches fire in Cleveland, Ohio, drawing national attention to water pollution, and spurring the passing of the Clean Water Act and the creation of the Environmental Protection Agency.
October 29 » The first-ever computer-to-computer link is established on ARPANET, the precursor to the Internet.
November 15 » Cold War: The Soviet submarine K-19 collides with the American submarine USS Gato in the Barents Sea.
November 21 » U.S. President Richard Nixon and Japanese Premier Eisaku Satō agree on the return of Okinawa to Japanese control in 1972. The U.S. retains rights to bases on the island, but these are to be nuclear-free.
When copying data from this family tree, please include a reference to the origin: Jan Willem Graafmans, "Family tree Graafmans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-graafmans/R447.php : accessed February 12, 2026), "Petrus Joannes Maria Klijsen (1907-1969)".
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