The temperature on July 23, 1889 was about 17.0 °C. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 72%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
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.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
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.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage July 9, 1909
The temperature on July 9, 1909 was between 10.9 °C and 17.5 °C and averaged 13.6 °C. There was 5.9 mm of rain. There was 4.4 hours of sunshine (27%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
April 11 » The city of Tel Aviv is founded.
May 13 » The first Giro d'Italia starts from Milan. Italian cyclist Luigi Ganna will be the winner.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
Day of death July 12, 1970
The temperature on July 12, 1970 was between 10.2 °C and 21.4 °C and averaged 16.9 °C. There was 10.5 hours of sunshine (64%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
August 24 » Vietnam War protesters bomb Sterling Hall at the University of Wisconsin–Madison, leading to an international manhunt for the perpetrators.
September 1 » Palestinian guerrillas attack the motorcade of King Hussein of Jordan in a failed assassination attempt.
September 11 » The Dawson's Field hijackers release 88 of their hostages. The remaining hostages, mostly Jews and Israeli citizens, are held until September 25.
September 30 » Jordan makes a deal with the PFLP for the release of the remaining hostages from the Dawson's Field hijackings.
November 14 » Southern Airways Flight 932 crashes in the mountains near Huntington, West Virginia, killing 75, including almost all of the Marshall University football team.
When copying data from this family tree, please include a reference to the origin: Jaap van Tuyll, "Descendants Wolf", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-wolf/I4811.php : accessed January 8, 2026), "Cornelis Wilhelm Wolf (1889-1970)".
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