February 23 » Émile Zola is imprisoned in France after writing J'Accuse…!, a letter accusing the French government of antisemitism and wrongfully imprisoning Captain Alfred Dreyfus.
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 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
June 27 » The first solo circumnavigation of the globe is completed by Joshua Slocum from Briar Island, Nova Scotia.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
Day of marriage May 11, 1923
The temperature on May 11, 1923 was between 1.5 °C and 10.4 °C and averaged 5.7 °C. There was 9.4 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 1 » Britain's Railways are grouped into the Big Four: LNER, GWR, SR, and LMS.
January 11 » Occupation of the Ruhr: Troops from France and Belgium occupy the Ruhr area to force Germany to make its World War I reparation payments.
August 2 » Vice President Calvin Coolidge becomes U.S. President upon the death of President Warren G. Harding.
August 18 » First British Track and Field championships for women, London.
August 23 » Captain Lowell Smith and Lieutenant John P. Richter performed the first mid-air refueling on De Havilland DH-4B, setting an endurance flight record of 37 hours.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
Day of death June 25, 1978
The temperature on June 25, 1978 was between 7.8 °C and 15.4 °C and averaged 11.9 °C. There was 5.6 mm of rain during 3.1 hours. There was 3.9 hours of sunshine (23%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 16 » The first computer bulletin board system is created (CBBS in Chicago).
May 25 » The first of a series of bombings orchestrated by the Unabomber detonates at Northwestern University resulting in minor injuries.
June 9 » The Church of Jesus Christ of Latter-day Saints opens its priesthood to "all worthy men", ending a 148-year-old policy of excluding black men.
June 21 » The original production of Tim Rice and Andrew Lloyd Webber's musical, Evita, based on the life of Eva Perón, opens at the Prince Edward Theatre, London.
October 21 » Australian civilian pilot Frederick Valentich vanishes over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft.
December 15 » U.S. President Jimmy Carter announces that the United States will recognize the People's Republic of China and sever diplomatic relations with Taiwan.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I430.php : accessed August 28, 2026), "Leo Alfred "Leon" (Leo Alfred "Leon") Riské (1898-1978)".
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