The temperature on April 7, 1870 was about 15.5 °C. The air pressure was 2 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 43%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 15 » A political cartoon for the first time symbolizes the Democratic Party with a donkey ("A Live Jackass Kicking a Dead Lion" by Thomas Nast for Harper's Weekly).
January 23 » In Montana, U.S. cavalrymen kill 173 Native Americans, mostly women and children, in what becomes known as the Marias Massacre.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
June 26 » The Christian holiday of Christmas is declared a federal holiday in the United States.
July 15 » Rupert's Land and the North-Western Territory are transferred to Canada from the Hudson's Bay Company, and the province of Manitoba and the Northwest Territories are established from these vast territories.
October 27 » Franco-Prussian War: Marshal Bazaine surrenders to Prussian forces at the conclusion of the Siege of Metz along with 140,000 French soldiers.
Day of marriage April 15, 1899
The temperature on April 15, 1899 was about 7.3 °C. The airpressure was 74 cm mercury. The atmospheric humidity was 85%. Source: KNMI
February 16 » Iceland's first football club, Knattspyrnufélag Reykjavíkur, is founded.
February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
July 11 » Fiat founded by Giovanni Agnelli in Turin, Italy.
September 23 » The American Asiatic Squadron destroys a Filipino battery at the Battle of Olongapo.
Day of death May 26, 1953
The temperature on May 26, 1953 was between 10.0 °C and 20.5 °C and averaged 15.2 °C. There was 4.3 mm of rain during 1.1 hours. There was 2.8 hours of sunshine (17%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
April 13 » CIA director Allen Dulles launches the mind-control program Project MKUltra.
April 25 » Francis Crick and James Watson publish "Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid" describing the double helix structure of DNA.
April 27 » Operation Moolah offers $50,000 to any pilot who defected with a fully mission-capable Mikoyan-Gurevich MiG-15 to South Korea. The first pilot was to receive $100,000.
May 29 » Edmund Hillary and Sherpa Tenzing Norgay become the first people to reach the summit of Mount Everest, on Tenzing Norgay's (adopted) 39th birthday.
June 9 » The Flint–Worcester tornado outbreak sequence kills 94 people in Massachusetts.
June 19 » Cold War: Julius and Ethel Rosenberg are executed at Sing Sing, in New York.
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/I2757.php : accessed September 25, 2026), "Léon Auguste "August" (Léon Auguste "August") Allaer (1870-1953)".
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