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.
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.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
Day of marriage March 1, 1917
The temperature on March 1, 1917 was between -1.2 °C and 7.7 °C and averaged 3.1 °C. There was 0.3 mm of rain. There was 6.7 hours of sunshine (62%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northwest. 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.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
March 4 » Jeannette Rankin of Montana becomes the first female member of the United States House of Representatives.
May 26 » Several powerful tornadoes rip through Illinois, including the city of Mattoon.
July 31 » World War I: The Battle of Passchendaele begins near Ypres in West Flanders, Belgium.
December 18 » The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
December 20 » Cheka, the first Soviet secret police force, is founded.
Day of death June 28, 1925
The temperature on June 28, 1925 was between 4.8 °C and 16.6 °C and averaged 12.0 °C. There was 0.4 hours of sunshine (2%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
February 21 » The New Yorker publishes its first issue.
March 21 » Syngman Rhee is removed from office after being impeached as the President of the Provisional Government of the Republic of Korea.
May 15 » Al-Insaniyyah, the first Arabic communist newspaper, is founded.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 21 » Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching human evolution in class and fined $100.
September 3 » USSShenandoah, the United States' first American-built rigid airship, was destroyed in a squall line over Noble County, Ohio. Fourteen of her 42-man crew perished, including her commander, Zachary Lansdowne.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I50848.php : accessed February 15, 2026), "Gosem Oost (1897-1925)".
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