The temperature on March 23, 1886 was about 10.3 °C. The air pressure was 4 kgf/m2 and came mainly from the southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 92%. 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.
April 8 » William Ewart Gladstone introduces the first Irish Home Rule Bill into the British House of Commons.
May 1 » Rallies are held throughout the United States demanding the eight-hour work day, culminating in the Haymarket affair in Chicago, in commemoration of which May 1 is celebrated as International Workers' Day in many countries.
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 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
July 4 » The Canadian Pacific Railway's first scheduled train from Montreal arrives in Port Moody on the Pacific coast, after six days of travel.
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 1, 1920
The temperature on May 1, 1920 was between 3.3 °C and 16.7 °C and averaged 10.9 °C. There was 0.2 mm of rain. There was 4.9 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
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.
February 10 » About 75% of the population in Zone I votes to join Denmark in the 1920 Schleswig plebiscites.
February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
September 7 » Two newly purchased Savoia flying boats crash in the Swiss Alps en route to Finland where they would serve with the Finnish Air Force, killing both crews.
October 10 » The Carinthian plebiscite determines that the larger part of the Duchy of Carinthia should remain part of Austria.
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
Day of death August 4, 1940
The temperature on August 4, 1940 was between 13.2 °C and 25.3 °C and averaged 19.9 °C. There was 0.1 mm of rain. There was 13.6 hours of sunshine (88%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 5 » Six high-ranking members of Soviet politburo, including Joseph Stalin, sign an order for the execution of 25,700 Polish intelligentsia, including 14,700 Polish POWs, in what will become known as the Katyn massacre.
May 26 » World War II: The Siege of Calais ends with the surrender of the British and French garrison.
July 3 » World War II: The Royal Navy attacks the French naval squadron in Algeria, to ensure that it will not fall under German control. Of the four French battleships present, one is sunk, two are damaged, and one escapes back to France.
July 10 » World War II: The Vichy government is established in France.
July 20 » Denmark leaves the League of Nations.
September 18 » World War II: The British liner SSCity of Benares is sunk by German submarine U-48; those killed include 77 child refugees.
When copying data from this family tree, please include a reference to the origin: Bert Grooten, "Family tree Grooten", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grooten/I352.php : accessed February 12, 2026), "Otto Grooten (1886-1940)".
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