The temperature on June 9, 1884 was about 14.5 °C. There was 0.9 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. 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 4 » The Fabian Society is founded in London, United Kingdom.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 3 » Dow Jones & Company publishes its first stock average.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 14 » George Eastman receives a U.S. Government patent on his new paper-strip photographic film.
November 1 » The Gaelic Athletic Association is set up in Hayes's Hotel in Thurles, County Tipperary.
Day of marriage August 5, 1918
The temperature on August 5, 1918 was between 11.6 °C and 20.1 °C and averaged 15.5 °C. There was 0.8 mm of rain. There was 0.8 hours of sunshine (5%). The average windspeed was 3 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
April 24 » World War I: First tank-to-tank combat, during the second Battle of Villers-Bretonneux. Three British Mark IVs meet three German A7Vs.
June 22 » The Hammond Circus Train Wreck kills 86 and injures 127 near Hammond, Indiana.
July 17 » Tsar Nicholas II of Russia and his immediate family and retainers are executed by Bolshevik Chekists at the Ipatiev House in Yekaterinburg, Russia.
September 29 » Germany's Supreme Army Command tells the Kaiser and the Chancellor to open negotiations for an armistice.
November 3 » The German Revolution of 1918–19 begins when 40,000 sailors take over the port in Kiel.
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/I62140.php : accessed October 24, 2026), "Simon Petrus de Boer (1884-????)".
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