The temperature on June 4, 1884 was about 18.0 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 57%. Source: KNMI
In The Netherlands , there was from April 23, 1884 to April 21, 1888 the cabinet Heemskerk, with Mr. J. Heemskerk Azn. (conservatief) as prime minister.
January 30 » The first Anglo-Japanese Alliance is signed in London.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
August 22 » Cadillac Motor Company is founded.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
Day of death February 23, 1961
The temperature on February 23, 1961 was between 1.0 °C and 9.8 °C and averaged 5.3 °C. There was 3.3 mm of rain during 1.6 hours. There was 5.2 hours of sunshine (50%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
January 17 » U.S. President Dwight D. Eisenhower delivers a televised farewell address to the nation three days before leaving office, in which he warns against the accumulation of power by the "military–industrial complex" as well as the dangers of massive spending, especially deficit spending.
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
February 12 » The Soviet Union launches Venera 1 towards Venus.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
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/I79031.php : accessed February 10, 2026), "Maria Spijkstra (1884-1961)".
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