January 1 » The British colonies of New South Wales, Queensland, Victoria, South Australia, Tasmania, and Western Australia federate as the Commonwealth of Australia; Edmund Barton is appointed the first Prime Minister.
May 9 » Australia opens its first national parliament in Melbourne.
July 4 » William Howard Taft becomes American governor of the Philippines.
September 14 » U.S. President William McKinley dies after being mortally wounded on September 6 by anarchist Leon Czolgosz and is succeeded by Vice President Theodore Roosevelt.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of marriage April 23, 1931
The temperature on April 23, 1931 was between 4.0 °C and 13.9 °C and averaged 7.9 °C. There was 1.9 mm of rain during 0.4 hours. There was 4.0 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
July 1 » United Airlines begins service (as Boeing Air Transport).
August 24 » France and the Soviet Union sign a neutrality pact.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death August 12, 1988
The temperature on August 12, 1988 was between 14.7 °C and 20.9 °C and averaged 17.3 °C. There was 0.1 mm of rain during 0.1 hours. There was 1.6 hours of sunshine (11%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I1406.php : accessed January 11, 2026), "Harm Schapelhouman (1901-1988)".
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