The temperature on March 1, 1886 was about -2.7 °C. The air pressure was 26 kgf/m2 and came mainly from the east-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 85%. 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 1 » The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
May 4 » Haymarket affair: A bomb is thrown at policemen trying to break up a labor rally in Chicago, United States, killing eight and wounding 60. The police fire into the crowd.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
November 30 » The Folies Bergère stages its first revue.
Day of marriage August 12, 1909
The temperature on August 12, 1909 was between 9.0 °C and 23.8 °C and averaged 17.6 °C. There was 10.0 hours of sunshine (67%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
June 26 » The Science Museum in London comes into existence as an independent entity.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
November 18 » Two United States warships are sent to Nicaragua after 500 revolutionaries (including two Americans) are executed by order of José Santos Zelaya.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I5208.php : accessed September 28, 2026), "WEIJNTJE den BOER (1886-????)".
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