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.
June 22 » The Royal Navy battleship HMSCamperdown accidentally rams the British Mediterranean Fleet flagship HMSVictoria which sinks taking 358 crew with her, including the fleet's commander, Vice-Admiral Sir George Tryon.
July 9 » Daniel Hale Williams, American heart surgeon, performs the first successful open-heart surgery in United States without anesthesia.
July 11 » A revolution led by the liberal general and politician José Santos Zelaya takes over state power in Nicaragua.
July 11 » The first cultured pearl is obtained by Kōkichi Mikimoto.
August 15 » Ibadan area becomes a British Protectorate after a treaty signed by Fijabi, the Baale of Ibadan with the British acting Governor of Lagos, George C. Denton.
November 7 » Women's suffrage: Women in the U.S. state of Colorado are granted the right to vote, the second state to do so.
Day of marriage May 15, 1917
The temperature on May 15, 1917 was between 10.0 °C and 17.9 °C and averaged 12.8 °C. There was 6.5 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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 17 » The United States pays Denmark $25 million for the Virgin Islands.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
June 23 » In a game against the Washington Senators, Boston Red Sox pitcher Ernie Shore retires 26 batters in a row after replacing Babe Ruth, who had been ejected for punching the umpire.
August 6 » World War I: Battle of Mărășești between the Romanian and German armies begins.
October 26 » First World War: Brazil declares war on the Central Powers.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
When copying data from this family tree, please include a reference to the origin: H.L. Witmer, "Family tree Witmer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witmer/I414.php : accessed February 2, 2026), "Johanna Gritter (1893-????)".
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