The temperature on April 17, 1889 was about 7.1 °C. The air pressure was 3 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
March 31 » The Eiffel Tower is officially opened.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
July 8 » The first issue of The Wall Street Journal is published.
Day of marriage September 20, 1915
The temperature on September 20, 1915 was between 2.9 °C and 16.6 °C and averaged 10.4 °C. There was 10.8 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
July 7 » The First Battle of the Isonzo comes to an end.
October 14 » World War I: Bulgaria joins the Central Powers.
Day of death February 11, 1963
The temperature on February 11, 1963 was between -1.4 °C and 2.1 °C and averaged 0.2 °C. There was 1.3 mm of rain during 4.4 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
June 17 » The United States Supreme Court rules 8–1 in Abington School District v. Schempp against requiring the reciting of Bible verses and the Lord's Prayer in public schools.
June 30 » Ciaculli bombing: a car bomb, intended for Mafia boss Salvatore Greco, kills seven police officers and military personnel near Palermo.
July 19 » Joe Walker flies a North American X-15 to a record altitude of 106,010 meters (347,800 feet) on X-15 Flight 90. Exceeding an altitude of 100km, this flight qualifies as a human spaceflight under international convention.
July 22 » Crown Colony of Sarawak gains self-governance.
July 26 » An earthquake in Skopje, Yugoslavia (present-day North Macedonia) leaves 1,100 dead.
September 7 » The Pro Football Hall of Fame opens in Canton, Ohio with 17 charter members.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I15142.php : accessed March 11, 2026), "Aletta Catharina Dreyer (1889-1963)".
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