The temperature on April 10, 1911 was between 2.6 °C and 7.6 °C and averaged 5.1 °C. There was 2.9 mm of rain. There was 0.4 hours of sunshine (3%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
September 29 » Italy declares war on the Ottoman Empire.
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage July 17, 1941
The temperature on July 17, 1941 was between 9.7 °C and 21.6 °C and averaged 16.0 °C. There was 5.3 hours of sunshine (33%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. 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.
January 20 » A German officer is killed in Bucharest, Romania, sparking a rebellion and pogrom by the Iron Guard, killing 125 Jews and 30 soldiers.
July 4 » World War II: The Burning of the Riga synagogues: The Great Choral Synagogue in German occupied Riga is burnt with 300 Jews locked in the basement.
July 6 » The German army launches its offensive to encircle several Soviet armies near Smolensk.
November 14 » World War II: In Slonim, German forces engaged in Operation Barbarossa murder 9,000 Jews in a single day.
December 10 » World War II: Battle of the Philippines: Imperial Japanese forces under the command of General Masaharu Homma land on Luzon.
December 10 » World War II: The Royal Navy capital ships HMSPrince of Wales and HMSRepulse are sunk by Imperial Japanese Navy torpedo bombers near British Malaya.
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/I120531.php : accessed February 25, 2026), "Wilhelm de Haan (1911-)".
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