The temperature on January 30, 1889 was about 6.3 °C. There was 3 mm of rain. The air pressure was 18 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 31 » The Eiffel Tower is officially opened.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage December 4, 1915
The temperature on December 4, 1915 was between 7.4 °C and 13.5 °C and averaged 9.5 °C. There was 16.5 mm of rain. There was 0.4 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 20 » Albert Einstein publishes his general theory of relativity.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
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/I76998.php : accessed December 27, 2025), "Meint Hamstra (1889-????)".
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