The temperature on August 7, 1886 was about 21.9 °C. The air pressure was 17 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 76%. 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 18 » Modern field hockey is born with the formation of The Hockey Association in England.
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 8 » Pharmacist John Pemberton first sells a carbonated beverage named "Coca-Cola" as a patent medicine.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
November 27 » German judge Emil Hartwich sustains fatal injuries in a duel, which would become the background for Theodor Fontane's Effi Briest.
Day of marriage April 14, 1917
The temperature on April 14, 1917 was between 1.2 °C and 10.8 °C and averaged 6.4 °C. There was 3.6 hours of sunshine (26%). The average windspeed was 5 Bft (very strong wind) 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.
March 16 » World War I: A German auxiliary cruiser is sunk in the Action of 16 March 1917.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
May 27 » Pope Benedict XV promulgates the 1917 Code of Canon Law, the first comprehensive codification of Catholic canon law in the legal history of the Catholic Church.
June 28 » World War I: Greece joins the Allied powers.
August 18 » A Great Fire in Thessaloniki, Greece destroys 32% of the city leaving 70,000 individuals homeless.
October 26 » First World War: Brazil declares war on the Central Powers.
Day of death July 4, 1962
The temperature on July 4, 1962 was between 9.0 °C and 13.6 °C and averaged 10.7 °C. There was 4.0 mm of rain during 4.4 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 7 » The United States bans all Cuban imports and exports.
May 22 » Continental Airlines Flight 11 crashes after bombs explode on board.
September 25 » The North Yemen Civil War begins when Abdullah al-Sallal dethrones the newly crowned Imam al-Badr and declares Yemen a republic under his presidency.
November 11 » Kuwait's National Assembly ratifies the Constitution of Kuwait.
November 17 » President John F. Kennedy dedicates Washington Dulles International Airport, serving the Washington, D.C., region.
November 21 » The Chinese People's Liberation Army declares a unilateral ceasefire in the Sino-Indian War.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I17150.php : accessed January 26, 2026), "Johannes Martinus Venter "Hannie" (Johannes Martinus Venter "Hannie") Grobler (1886-1962)".
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