February 27 » King George I of Greece survives an assassination attempt.
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
April 25 » Spanish–American War: The United States declares war on Spain.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
September 18 » The Fashoda Incident triggers the last war scare between Britain and France.
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.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
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 7 » The International Criminal Police Organization (INTERPOL) is formed.
October 29 » Turkey becomes a republic following the dissolution of the Ottoman Empire.
October 31 » The first of 160 consecutive days of 100° Fahrenheit at Marble Bar, Western Australia.
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.
January 31 » The Crown of St. Stephen (also known as the Holy Crown of Hungary) goes on public display after being returned to Hungary from the United States, where it was held after World War II.
February 13 » Hilton bombing: a bomb explodes in a refuse truck outside the Hilton Hotel in Sydney, Australia, killing two refuse collectors and a policeman.
March 22 » Karl Wallenda of The Flying Wallendas dies after falling off a tight-rope suspended between two hotels in San Juan, Puerto Rico.
October 21 » Australian civilian pilot Frederick Valentich vanishes over the Bass Strait south of Melbourne, after reporting contact with an unidentified aircraft.
December 10 » Arab–Israeli conflict: Prime Minister of Israel Menachem Begin and President of Egypt Anwar Sadat are jointly awarded the Nobel Peace Prize.
December 16 » Cleveland, Ohio becomes the first major American city to default on its financial obligations since the Great Depression.
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 October 11, 2026), "Leo Alfred "Leon" (Leo Alfred "Leon") Riské (1898-1978)".
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