January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
March 2 » In New York City the Martha Washington Hotel opens, becoming the first hotel exclusively for women.
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
September 11 » The first race at the Milwaukee Mile in West Allis, Wisconsin is held. It is the oldest major speedway in the world.
October 6 » The High Court of Australia sits for the first time.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage August 20, 1924
The temperature on August 20, 1924 was between 7.0 °C and 18.2 °C and averaged 11.9 °C. There was 8.3 mm of rain. There was 9.1 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 25 » The 1924 Winter Olympics opens in Chamonix, in the French Alps, inaugurating the Winter Olympic Games.
February 1 » Russia–United Kingdom relations are restored, over six years after the Communist revolution.
February 5 » The Royal Greenwich Observatory begins broadcasting the hourly time signals known as the Greenwich Time Signal.
May 8 » The Klaipėda Convention is signed formally incorporating Klaipėda Region (Memel Territory) into Lithuania.
October 7 » Andreas Michalakopoulos becomes prime minister of Greece for a short period of time.
October 27 » The Uzbek SSR is founded in the Soviet Union.
Day of death April 9, 1943
The temperature on April 9, 1943 was between 4.6 °C and 12.7 °C and averaged 8.7 °C. There was 0.5 mm of rain during 1.0 hours. There was 6.8 hours of sunshine (50%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 4 » World War II: The Battle of the Bismarck Sea in the south-west Pacific comes to an end.
April 13 » World War II: The discovery of mass graves of Polish prisoners of war killed by Soviet forces in the Katyń Forest Massacre is announced, causing a diplomatic rift between the Polish government-in-exile in London and the Soviet Union, which denies responsibility.
April 30 » World War II: The British submarine HMSSeraph surfaces near Huelva to cast adrift a dead man dressed as a courier and carrying false invasion plans.
September 23 » World War II: The Nazi puppet state known as the Italian Social Republic is founded.
December 24 » World War II: U.S. General Dwight D. Eisenhower is named Supreme Allied Commander for the Invasion of Normandy.
December 28 » World War II: After eight days of brutal house-to-house fighting, the Battle of Ortona concludes with the victory of the 1st Canadian Infantry Division over the German 1st Parachute Division and the capture of the Italian town of Ortona.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I5025.php : accessed September 24, 2026), "Joanna Constantia van Laer (1903-1943)".
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