February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage March 17, 1921
The temperature on March 17, 1921 was between 2.2 °C and 15.1 °C and averaged 8.5 °C. There was 4.3 hours of sunshine (36%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
February 21 » Rezā Shāh takes control of Tehran during a successful coup.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
July 11 » A truce in the Irish War of Independence comes into effect.
October 5 » The World Series is the first to be broadcast on radio.
December 22 » Opening of Visva-Bharati College, also known as Santiniketan College, now Visva Bharati University, India.
Day of death July 16, 1979
The temperature on July 16, 1979 was between 9.3 °C and 17.0 °C and averaged 14.0 °C. There was 1.4 mm of rain during 5.0 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 1 » Normal diplomatic relations are established between the People's Republic of China and the United States.
February 7 » Pluto moves inside Neptune's orbit for the first time since either was discovered.
April 2 » A Soviet bio-warfare laboratory at Sverdlovsk accidentally releases airborne anthrax spores, killing 66 plus an unknown amount of livestock.
August 5 » In Afghanistan, Maoists undertake the Bala Hissar uprising against the Leninist government.
October 6 » Pope John Paul II becomes the first pontiff to visit the White House.
November 19 » Iran hostage crisis: Iranian leader Ayatollah Ruhollah Khomeini orders the release of 13 female and black American hostages being held at the US Embassy in Tehran.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I31393.php : accessed January 24, 2026), "Elbert Slot (1897-1979)".
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