The temperature on October 28, 1889 was about 10.5 °C. There was 2 mm of rain. The air pressure was 44 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 96%. 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.
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
Day of marriage May 19, 1917
The temperature on May 19, 1917 was between 11.0 °C and 20.6 °C and averaged 15.4 °C. There was 0.3 mm of rain. There was 3.4 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. 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.
February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
May 13 » Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
June 5 » World War I: Conscription begins in the United States as "Army registration day".
June 26 » World War I: The American Expeditionary Forces begin to arrive in France. They will first enter combat four months later.
August 28 » Ten Suffragettes are arrested while picketing the White House.
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
Day of death November 18, 1964
The temperature on November 18, 1964 was between 5.1 °C and 10.1 °C and averaged 7.4 °C. There was 0.6 hours of sunshine (7%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 11 » Surgeon General of the United States Dr. Luther Terry, M.D., publishes the landmark report Smoking and Health: Report of the Advisory Committee to the Surgeon General of the United States saying that smoking may be hazardous to health, sparking national and worldwide anti-smoking efforts.
January 12 » Rebels in Zanzibar begin a revolt known as the Zanzibar Revolution and proclaim a republic.
February 10 » Melbourne–Voyager collision: The aircraft carrier HMASMelbourne collides with and sinks the destroyer HMASVoyager off the south coast of New South Wales, Australia, killing 82.
March 1 » Villarrica Volcano begins a strombolian eruption causing lahars that destroy half of the town of Coñaripe.
June 2 » The Palestine Liberation Organization (PLO) is formed.
December 4 » Free Speech Movement: Police arrest over 800 students at the University of California, Berkeley, following their takeover and sit-in at the administration building in protest of the UC Regents' decision to forbid protests on UC property.
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/I102256.php : accessed October 8, 2026), "Douwe Poelstra (1889-1964)".
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