January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
February 15 » The battleship USSMaine explodes and sinks in Havana harbor in Cuba, killing 274. This event leads the United States to declare war on Spain.
February 27 » King George I of Greece survives an assassination attempt.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
November 3 » France withdraws its troops from Fashoda (now in Sudan), ending the Fashoda Incident.
Day of marriage July 28, 1917
The temperature on July 28, 1917 was between 10.9 °C and 23.6 °C and averaged 18.1 °C. There was 10.5 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
February 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 8 » International Women's Day protests in St. Petersburg mark the beginning of the February Revolution (February 23rd in the Julian calendar).
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/I12478.php : accessed October 9, 2026), "Pieter Kooistra (1898-????)".
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