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.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of marriage May 11, 1921
The temperature on May 11, 1921 was between 4.2 °C and 19.8 °C and averaged 13.0 °C. There was 0.1 mm of rain. There was 9.9 hours of sunshine (64%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
August 23 » British airship R-38 experiences structural failure over Hull in England and crashes in the Humber Estuary. Of her 49 British and American training crew, only four survive.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
Day of death November 9, 1976
The temperature on November 9, 1976 was between 4.1 °C and 10.5 °C and averaged 7.5 °C. There was 0.3 mm of rain during 0.3 hours. There was 1.1 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 15 » Gerald Ford's would-be assassin, Sara Jane Moore, is sentenced to life in prison.
June 16 » Soweto uprising: A non-violent march by 15,000 students in Soweto, South Africa, turns into days of rioting when police open fire on the crowd.
September 3 » Viking program: The American Viking 2 spacecraft lands at Utopia Planitia on Mars.
September 10 » A British Airways Hawker Siddeley Trident and an Inex-Adria DC-9 collide near Zagreb, Yugoslavia, killing 176.
September 21 » Orlando Letelier is assassinated in Washington, D.C. He had been a member of the former Chilean Marxist government.
September 21 » Seychelles joins the United Nations.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Phoppe Simons", database, Genealogy Online (https://www.genealogieonline.nl/phoppe-simons/I152872.php : accessed December 31, 2025), "Maria Cornelia Lieman (1897-1976)".
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