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 22 » Columbia Phonograph is formed in Washington, D.C.
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.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
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.
February 8 » D. W. Griffith's controversial film The Birth of a Nation premieres in Los Angeles.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
April 5 » Boxing challenger Jess Willard knocks out Jack Johnson in Havana, Cuba to become the Heavyweight Champion of the World.
May 27 » HMS Princess Irene exploded and sank off Sheerness, Kent with the loss of 352 lives.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
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
January 22 » The Élysée Treaty of cooperation between France and Germany is signed by Charles de Gaulle and Konrad Adenauer.
February 12 » Construction begins on the Gateway Arch in St. Louis, Missouri.
April 11 » Pope John XXIII issues Pacem in terris, the first encyclical addressed to all Christians instead of only Catholics, and which described the conditions for world peace in human terms.
June 12 » NAACP field secretary Medgar Evers is murdered in front of his home in Jackson, Mississippi by Ku Klux Klan member Byron De La Beckwith during the civil rights movement.
August 5 » Cold War: The United States, the United Kingdom, and the Soviet Union sign the Partial Nuclear Test Ban Treaty.
November 1 » The 1963 South Vietnamese coup begins.
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 February 9, 2026), "Aletta Catharina Dreyer (1889-1963)".
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