The temperature on February 12, 1884 was about 10.2 °C. The air pressure was 3 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 70%. 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.
March 27 » A mob in Cincinnati, Ohio, attacks members of a jury which had returned a verdict of manslaughter in what was seen as a clear case of murder; over the next few days the mob would riot and eventually destroy the courthouse.
May 1 » The Federation of Organized Trades and Labor Unions demands the eight-hour work day in the United States.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
October 6 » The Naval War College of the United States is founded in Rhode Island.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
December 6 » The Washington Monument in Washington, D.C., is completed.
Day of marriage May 9, 1914
The temperature on May 9, 1914 was between 5.0 °C and 12.2 °C and averaged 8.3 °C. There was 3.2 mm of rain. There was 2.1 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
August 1 » The German Empire declares war on the Russian Empire at the opening of World War I. The Swiss Army mobilizes because of World War I.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
October 9 » World War I: The Siege of Antwerp comes to an end.
October 27 » First World War: The new British battleship HMS Audacious is sunk by a minefield laid by the armed German merchant-cruiser Berlin.
October 29 » Ottoman entry into World War I.
Day of death February 28, 1970
The temperature on February 28, 1970 was between -2.8 °C and 2.7 °C and averaged -0.7 °C. There was 6.3 hours of sunshine (58%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 1 » The defined beginning of Unix time, at 00:00:00.
February 18 » The Chicago Seven are found not guilty of conspiring to incite riots at the 1968 Democratic National Convention.
April 24 » China launches Dong Fang Hong I, becoming the fifth nation to put an object into orbit using its own booster.
September 6 » Two passenger jets bound from Europe to New York are simultaneously hijacked by Palestinian terrorist members of the PFLP and taken to Dawson's Field, Jordan.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
October 10 » Canada's October Crisis escalates when Quebec's vice-premier is kidnapped by members of the FLQ.
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/I189115.php : accessed October 16, 2026), "Zwaantje Boersema (1884-1970)".
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