The temperature on February 18, 1889 was about 8.6 °C. The air pressure was 10 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 90%. 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.
February 11 » Meiji Constitution of Japan is adopted.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
August 13 » William Gray of Hartford, Connecticut is granted United States Patent Number 408,709 for "Coin-controlled apparatus for telephones."
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage April 16, 1912
The temperature on April 16, 1912 was between 1.2 °C and 13.3 °C and averaged 8.6 °C. There was 12.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
May 8 » Paramount Pictures is founded.
June 8 » Carl Laemmle incorporates Universal Pictures.
November 19 » First Balkan War: The Serbian Army captures Bitola, ending the five-century-long Ottoman rule of Macedonia.
December 19 » William Van Schaick, captain of the steamship General Slocum which caught fire and killed over one thousand people, is pardoned by U.S. President William Howard Taft after 3⁄2 years in Sing Sing prison.
December 28 » The first municipally owned streetcars take to the streets in San Francisco.
Day of death December 13, 1969
The temperature on December 13, 1969 was between -0.8 °C and 0.3 °C and averaged -0.3 °C. There was 0.2 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
March 17 » Golda Meir becomes the first female Prime Minister of Israel.
April 9 » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
May 20 » The Battle of Hamburger Hill in Vietnam ends.
September 9 » In Canada, the Official Languages Act comes into force, making French equal to English throughout the Federal government.
November 10 » National Educational Television (the predecessor to the Public Broadcasting Service) in the United States debuts Sesame Street.
November 17 » Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, Finland to begin SALT I negotiations aimed at limiting the number of strategic weapons on both sides.
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/I12642.php : accessed January 23, 2026), "Helen Agnes Dreyer (1889-1969)".
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