April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
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 February 20, 1917
The temperature on February 20, 1917 was between -0.1 °C and 4.9 °C and averaged 2.3 °C. There was 1.5 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. 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 9 » World War I: The Battle of Rafa is fought near the Egyptian border with Palestine.
January 22 » World War I: President Woodrow Wilson of the still-neutral United States calls for "peace without victory" in Europe.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
August 28 » Ten Suffragettes are arrested while picketing the White House.
October 13 » The "Miracle of the Sun" is witnessed by an estimated 70,000 people in the Cova da Iria in Portugal.
December 12 » Father Edward J. Flanagan founds Boys Town as a farm village for wayward boys.
Day of death January 23, 1987
The temperature on January 23, 1987 was between 1.2 °C and 5.7 °C and averaged 3.9 °C. There was -0.1 mm of rain. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 23 » Supernova 1987a is seen in the Large Magellanic Cloud.
May 3 » A crash by Bobby Allison at the Talladega Superspeedway, Alabama fencing at the start-finish line would lead NASCAR to develop the restrictor plate for the following season both at Daytona International Speedway and Talladega.
June 8 » New Zealand's Labour government establishes a national nuclear-free zone under the New Zealand Nuclear Free Zone, Disarmament, and Arms Control Act 1987.
June 11 » Diane Abbott, Paul Boateng and Bernie Grant are elected as the first black MPs in Great Britain.
October 7 » Sikh nationalists declare the independence of Khalistan from India; it is not internationally recognized.
November 7 » In Tunisia, president Habib Bourguiba is overthrown and replaced by Prime Minister Zine El Abidine Ben Ali.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I34965.php : accessed February 26, 2026), "Jeannette Jacoba Determeijer (1897-1987)".
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