The temperature on June 9, 1889 was about 17.5 °C. There was 0.9 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 95%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
July 11 » Tijuana, Mexico, is founded.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
Day of death July 21, 1941
The temperature on July 21, 1941 was between 8.2 °C and 19.7 °C and averaged 14.9 °C. There was 4.5 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
February 4 » The United Service Organization (USO) is created to entertain American troops.
June 2 » World War II: German paratroopers murder Greek civilians in the villages of Kondomari and Alikianos.
July 31 » The Holocaust: Under instructions from Adolf Hitler, Nazi official Hermann Göring, orders SS General Reinhard Heydrich to "submit to me as soon as possible a general plan of the administrative material and financial measures necessary for carrying out the desired Final Solution of the Jewish question."
September 8 » World War II: German forces begin the Siege of Leningrad.
October 20 » World War II: Thousands of civilians in German-occupied Serbia are murdered in the Kragujevac massacre.
December 23 » World War II: After 15 days of fighting, the Imperial Japanese Army occupies Wake Island.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I63044.php : accessed October 23, 2026), "Jan Sikkens (1889-1941)".
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