The temperature on December 27, 1889 was about -1.7 °C. The air pressure was 38 kgf/m2 and came mainly from the east-northeast. The airpressure was 78 cm mercury. The atmospheric humidity was 77%. Source: KNMI
January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
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 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
May 2 » Menelik II, Emperor of Ethiopia, signs the Treaty of Wuchale, giving Italy control over Eritrea.
July 8 » The first issue of The Wall Street Journal is published.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of marriage June 19, 1919
The temperature on June 19, 1919 was between 8.2 °C and 23.8 °C and averaged 17.1 °C. There was 10.6 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 16 » Polish–Soviet War: The Polish army launches the Vilna offensive to capture Vilnius in modern Lithuania.
May 29 » Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin
July 23 » Prince Regent Aleksander Karađorđević signs the decree establishing the University of Ljubljana
July 27 » The Chicago Race Riot erupts after a racial incident occurred on a South Side beach, leading to 38 fatalities and 537 injuries over a five-day period.
October 2 » U.S. President Woodrow Wilson suffers a massive stroke, leaving him incapacitated for several weeks.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
Day of death November 24, 1953
The temperature on November 24, 1953 was between -3.8 °C and 0.3 °C and averaged -1.9 °C. There was -0.1 hours of sunshine (0%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 20 » Dwight D. Eisenhower is inaugurated as the 34th President of the United States of America.
February 11 » The Soviet Union breaks off diplomatic relations with Israel.
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
May 25 » The first public television station in the United States officially begins broadcasting as KUHT from the campus of the University of Houston.
June 8 » An F5 tornado hits Beecher, Michigan, killing 116, injuring 844, and destroying 340 homes.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I523404.php : accessed January 7, 2026), "Siebe Jelles Wiersma (1889-1953)".
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