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.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
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.
July 8 » The first issue of The Wall Street Journal is published.
July 11 » Tijuana, Mexico, is founded.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
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 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 25 » Alexander Graham Bell inaugurates U.S. transcontinental telephone service, speaking from New York to Thomas Watson in San Francisco.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
June 21 » The U.S. Supreme Court hands down its decision in Guinn v. United States 238 US 347 1915, striking down Oklahoma grandfather clause legislation which had the effect of denying the right to vote to blacks.
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
January 13 » Coup d'état in Togo results in the assassination of president Sylvanus Olympio.
April 16 » Dr. Martin Luther King Jr. pens his Letter from Birmingham Jail while incarcerated in Birmingham, Alabama for protesting against segregation.
April 21 » The first election of the Universal House of Justice is held, marking its establishment as the supreme governing institution of the Bahá'í Faith.
May 3 » The police force in Birmingham, Alabama switches tactics and responds with violent force to stop the "Birmingham campaign" protesters. Images of the violent suppression are transmitted worldwide, bringing new-found attention to the civil rights movement.
June 11 » Buddhist monk Thích Quảng Đức burns himself with gasoline in a busy Saigon intersection to protest the lack of religious freedom in South Vietnam.
December 26 » The Beatles' "I Want to Hold Your Hand" and "I Saw Her Standing There" are released in the United States, marking the beginning of Beatlemania on an international level.
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 5, 2026), "Aletta Catharina Dreyer (1889-1963)".
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