The temperature on February 13, 1889 was about -7.7 °C. The air pressure was 20 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 89%. 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.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
July 8 » The first issue of The Wall Street Journal is published.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
November 23 » The first jukebox goes into operation at the Palais Royale Saloon in San Francisco.
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.
January 10 » World War I: In the Erzurum Offensive, Russia defeats the Ottoman Empire.
June 4 » World War I: Russia opens the Brusilov Offensive with an artillery barrage of Austro-Hungarian lines in Galicia.
June 5 » World War I: The Arab Revolt against the Ottoman Empire breaks out.
July 22 » Preparedness Day Bombing: In San Francisco, a bomb explodes on Market Street during a parade, killing ten and injuring 40.
August 2 » World War I: Austrian sabotage causes the sinking of the Italian battleship Leonardo da Vinci in Taranto.
August 25 » The United States National Park Service is created.
Day of death July 9, 1942
The temperature on July 9, 1942 was between 12.0 °C and 17.6 °C and averaged 14.7 °C. There was 0.5 mm of rain during 0.6 hours. There was 1.7 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
July 18 » World War II: During the Beisfjord massacre in Norway, 15 Norwegian paramilitary guards help members of the SS to kill 288 political prisoners from Yugoslavia.
August 13 » Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the "Development of Substitute Materials" project, better known as the Manhattan Project.
September 15 » World War II: U.S. Navy aircraft carrier USSWasp is sunk by Japanese torpedoes at Guadalcanal.
November 12 » World War II: Naval Battle of Guadalcanal between Japanese and American forces begins near Guadalcanal. The battle lasts for three days and ends with an American victory.
November 27 » World War II: At Toulon, the French navy scuttles its ships and submarines to keep them out of Nazi hands.
November 30 » World War II: Battle of Tassafaronga; A smaller squadron of Japanese destroyers led by Raizō Tanaka defeats a U.S. cruiser force under Carleton H. Wright.
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/I209374.php : accessed February 10, 2026), "Weike Hellinga (1889-1942)".
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