In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
April 15 » The General Electric Company is formed.
July 26 » Dadabhai Naoroji is elected as the first Indian Member of Parliament in Britain.
September 8 » The Pledge of Allegiance is first recited.
September 9 » Amalthea, third moon of Jupiter is discovered by Edward Emerson Barnard.
October 12 » The Pledge of Allegiance is first recited by students in many US public schools.
November 12 » Pudge Heffelfinger becomes the first professional American football player on record, participating in his first paid game for the Allegheny Athletic Association.
Day of marriage August 18, 1917
The temperature on August 18, 1917 was between 12.1 °C and 23.8 °C and averaged 17.4 °C. There was 7.5 mm of rain. There was 9.7 hours of sunshine (67%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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 17 » The United States pays Denmark $25 million for the Virgin Islands.
March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
July 17 » King George V issues a Proclamation stating that the male line descendants of the British Royal Family will bear the surname Windsor.
November 20 » World War I: Battle of Cambrai begins: British forces make early progress in an attack on German positions but are later pushed back.
December 9 » World War I: Field Marshal Allenby captures Jerusalem, Palestine.
December 20 » Cheka, the first Soviet secret police force, is founded.
Day of death March 18, 1961
The temperature on March 18, 1961 was between 3.6 °C and 10.0 °C and averaged 5.8 °C. There was 0.8 mm of rain during 0.3 hours. There was 2.7 hours of sunshine (23%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 3 » Cold War: The United States severs diplomatic relations with Cuba over the latter's nationalization of American assets.
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
August 1 » U.S. Defense Secretary Robert McNamara orders the creation of the Defense Intelligence Agency (DIA), the nation's first centralized military espionage organization.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
November 29 » Project Mercury: Mercury-Atlas 5 Mission: Enos, a chimpanzee, is launched into space. The spacecraft orbits the Earth twice and splashes down off the coast of Puerto Rico.
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/I81590.php : accessed October 15, 2026), "Jan Adema (1892-1961)".
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