In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
February 1 » Thomas A. Edison finishes construction of the first motion picture studio, the Black Maria in West Orange, New Jersey.
March 1 » Electrical engineer Nikola Tesla gives the first public demonstration of radio in St. Louis, Missouri.
May 1 » The World's Columbian Exposition opens in Chicago.
July 11 » A revolution led by the liberal general and politician José Santos Zelaya takes over state power in Nicaragua.
September 28 » Foundation of the Portuguese football club FC Porto.
October 28 » Tchaikovsky's Symphony No. 6 in B Minor, Pathétique receives its première performance only nine days before the composer's death.
Day of marriage May 12, 1915
The temperature on May 12, 1915 was between 2.7 °C and 16.7 °C and averaged 10.7 °C. There was 5.0 mm of rain. There was 2.2 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-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.
May 9 » World War I: Second Battle of Artois between German and French forces.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
When copying data from this family tree, please include a reference to the origin: Ineke Hartman-Post, "Family tree Post - Bouwman - Koedoder - Van Zijl - Hartman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-post-bouwman-koedoder-van-zijl-hartman/I1461.php : accessed May 4, 2025), "Cornelia van Musscher (1893-????)".
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