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 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 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
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 January 27, 1917
The temperature on January 27, 1917 was between -7.9 °C and -0.4 °C and averaged -3.9 °C. There was 4.7 hours of sunshine (53%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. 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 3 » First World War: The American entry into World War I begins when diplomatic relations with Germany are severed due to its unrestricted submarine warfare.
March 11 » World War I: Mesopotamian campaign: Baghdad falls to Anglo-Indian forces commanded by General Stanley Maude.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
April 16 » Vladimir Lenin returns to Petrograd, Russia, from exile in Switzerland.
November 5 » Tikhon is elected the Patriarch of Moscow and of the Russian Orthodox Church.
December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
Day of death February 29, 1984
The temperature on February 29, 1984 was between -2.9 °C and 6.3 °C and averaged 0.2 °C. There was 2.9 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 19 » Advance Australia Fair is proclaimed as Australia's national anthem, and green and gold as the national colours.
May 8 » Corporal Denis Lortie enters the Quebec National Assembly and opens fire, killing three people and wounding 13. René Jalbert, Sergeant-at-Arms of the Assembly, succeeds in calming him, for which he will later receive the Cross of Valour.
May 8 » The Thames Barrier is officially opened, preventing the floodplain of most of Greater London from being flooded except under extreme circumstances.
September 2 » Seven people are shot and killed and 12 wounded in the Milperra massacre, a shootout between the rival motorcycle gangs Bandidos and Comancheros in Sydney, Australia.
December 1 » NASA conducts the Controlled Impact Demonstration, wherein an airliner is deliberately crashed in order to test technologies and gather data to help improve survivability of crashes.
December 4 » Sri Lankan Civil War: Sri Lankan Army soldiers kill 107–150 civilians in Mannar.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I143294.php : accessed February 10, 2026), "Willem Folkersma (1897-1984)".
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