The temperature on July 1, 1886 was about 14.2 °C. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 72%. 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.
February 23 » Charles Martin Hall produced the first samples of aluminium from the electrolysis of aluminium oxide, after several years of intensive work. He was assisted in this project by his older sister, Julia Brainerd Hall.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
June 10 » Mount Tarawera in New Zealand erupts, killing 153 people and burying the famous Pink and White Terraces. Eruptions continue for three months creating a large, 17km long fissure across the mountain peak.
July 3 » Karl Benz officially unveils the Benz Patent-Motorwagen, the first purpose-built automobile.
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 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 May 13, 1916
The temperature on May 13, 1916 was between 7.4 °C and 17.4 °C and averaged 12.1 °C. There was 2.5 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. 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.
June 5 » World War I: The Arab Revolt against the Ottoman Empire breaks out.
August 5 » World War I: Battle of Romani: Allied forces, under the command of Archibald Murray, defeat an attacking Ottoman army under the command of Friedrich Freiherr Kress von Kressenstein, securing the Suez Canal and beginning the Ottoman retreat from the Sinai Peninsula.
September 3 » World War I: Leefe Robinson destroys the German airship Schütte-Lanz SL 11 over Cuffley, north of London; the first German airship to be shot down on British soil.
November 5 » The Kingdom of Poland is proclaimed by the Act of 5th November of the emperors of Germany and Austria-Hungary.
November 18 » World War I: First Battle of the Somme: In France, British Expeditionary Force commander Douglas Haig calls off the battle which started on July 1, 1916.
December 29 » A Portrait of the Artist as a Young Man, the first novel by James Joyce, was first published as a book by an American publishing house B. W. Huebschis after it had been serialized in The Egoist (1914–15).
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/I146494.php : accessed October 24, 2026), "Gerrit Ploegh (1886-????)".
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