The temperature on May 22, 1889 was about 25.5 °C. The air pressure was 8 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 34%. Source: KNMI
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
July 8 » The first issue of The Wall Street Journal is published.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage May 18, 1916
The temperature on May 18, 1916 was between 5.1 °C and 21.1 °C and averaged 13.6 °C. There was 12.3 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
March 16 » The 7th and 10th US cavalry regiments under John J. Pershing cross the US–Mexico border to join the hunt for Pancho Villa.
April 24 » Ernest Shackleton and five men of the Imperial Trans-Antarctic Expedition launch a lifeboat from uninhabited Elephant Island in the Southern Ocean to organise a rescue for the crew of the sunken Endurance.
July 7 » The New Zealand Labour Party was founded in Wellington.
July 19 » World War I: Battle of Fromelles: British and Australian troops attack German trenches as part of the Battle of the Somme.
September 17 » World War I: Manfred von Richthofen ("The Red Baron"), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
December 6 » World War I: The Central Powers capture Bucharest.
Day of death July 15, 1941
The temperature on July 15, 1941 was between 14.1 °C and 22.9 °C and averaged 17.9 °C. There was 3.6 mm of rain during 0.9 hours. There was 3.7 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
May 30 » World War II: Manolis Glezos and Apostolos Santas climb the Athenian Acropolis and tear down the German flag.
July 20 » Soviet leader Joseph Stalin consolidates the Commissariats of Home Affairs and National Security to form the NKVD and names Lavrentiy Beria its chief.
September 3 » The Holocaust: Karl Fritzsch, deputy camp commandant of the Auschwitz concentration camp, experiments with the use of Zyklon B in the gassing of Soviet POWs.
November 14 » World War II: The aircraft carrier HMSArk Royal sinks due to torpedo damage from the German submarineU-81 sustained on November 13.
December 10 » World War II: Battle of the Philippines: Imperial Japanese forces under the command of General Masaharu Homma land on Luzon.
December 19 » World War II: Limpet mines placed by Italian divers heavily damage HMSValiant and HMSQueen Elizabeth in Alexandria harbour.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I2457.php : accessed February 15, 2026), "Hillechien Koers (1889-1941)".
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