January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
June 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
September 13 » Hannibal Goodwin patents celluloid photographic film.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage May 15, 1919
The temperature on May 15, 1919 was between 10.0 °C and 21.9 °C and averaged 16.2 °C. There was 13.7 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 22 » Act Zluky is signed, unifying the Ukrainian People's Republic and the West Ukrainian National Republic.
April 13 » Jallianwala Bagh massacre: British Indian Army troops lead by Brigadier-General Reginald Dyer killed approx 379-1000 unarmed demonstrators including men and women in Amritsar, India; and approximately 1,500 injured.
May 8 » Edward George Honey proposes the idea of a moment of silence to commemorate the Armistice of 11 November 1918 which ended World War I.
August 11 » Germany's Weimar Constitution is signed into law.
October 7 » KLM, the flag carrier of the Netherlands, is founded. It is the oldest airline still operating under its original name.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
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/I108431.php : accessed February 14, 2026), "Elske Wijkstra (1898-????)".
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