The temperature on September 20, 1890 was about 16.7 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
April 14 » The Pan-American Union is founded by the First International Conference of American States in Washington, D.C.
July 2 » The U.S. Congress passes the Sherman Antitrust Act.
July 10 » Wyoming is admitted as the 44th U.S. state.
July 27 » Vincent van Gogh shoots himself and dies two days later.
November 23 » King William III of the Netherlands dies without a male heir and a special law is passed to allow his daughter Princess Wilhelmina to succeed him.
Day of marriage December 30, 1919
The temperature on December 30, 1919 was between 8.4 °C and 10.0 °C and averaged 9.2 °C. There was 7.9 mm of rain. There was 0.6 hours of sunshine (8%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
February 26 » President Woodrow Wilson signs an act of Congress establishing the Grand Canyon National Park.
July 11 » The eight-hour day and free Sunday become law for workers in the Netherlands.
September 10 » Austria and the Allies sign the Treaty of Saint-Germain-en-Laye recognizing the independence of Poland, Hungary, Czechoslovakia and Yugoslavia.
October 3 » Cincinnati Reds pitcher Adolfo Luque becomes the first Latin player to appear in a World Series.
November 28 » Lady Astor is elected as a Member of the Parliament of the United Kingdom. She is the first woman to sit in the House of Commons. (Countess Markievicz, the first to be elected, refused to sit.)
December 17 » Uruguay becomes a signatory to the Buenos Aires copyright treaty.
Day of death May 14, 1970
The temperature on May 14, 1970 was between 7.7 °C and 20.1 °C and averaged 13.2 °C. There was 7.9 hours of sunshine (51%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
March 5 » The Treaty on the Non-Proliferation of Nuclear Weapons goes into effect after ratification by 43 nations.
March 10 » Vietnam War: Captain Ernest Medina is charged by the U.S. military with My Lai war crimes.
April 1 » President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring the Surgeon General's warnings on tobacco products and banning cigarette advertising on television and radio in the United States, effective 1 January 1971.
April 24 » The Gambia becomes a republic within the Commonwealth of Nations, with Dawda Jawara as its first President.
August 17 » Venera program: Venera 7 launched. It will later become the first spacecraft to successfully transmit data from the surface of another planet (Venus).
November 12 » The 1970 Bhola cyclone makes landfall on the coast of East Pakistan becoming the deadliest tropical cyclone in history.
When copying data from this family tree, please include a reference to the origin: Alle Elbers, "Sluzigers (e.a.)", database, Genealogy Online (https://www.genealogieonline.nl/sluzigers/I136587.php : accessed February 12, 2026), "Bertha Heijman (1890-1970)".
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