The temperature on November 8, 1886 was about 5.7 °C. There was 0.6 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 97%. 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.
January 29 » Karl Benz patents the first successful gasoline-driven automobile.
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.
June 13 » A fire devastates much of Vancouver, British Columbia.
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 12, 1911
The temperature on May 12, 1911 was between 11.9 °C and 22.7 °C and averaged 15.9 °C. There was 8.6 mm of rain. There was 5.9 hours of sunshine (38%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 21 » The first Monte Carlo Rally takes place.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of death April 15, 1961
The temperature on April 15, 1961 was between 3.9 °C and 16.9 °C and averaged 11.5 °C. There was 5.4 hours of sunshine (39%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 25 » Robert Noyce is granted a patent for an integrated circuit.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
July 25 » Cold War: In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO.
August 21 » Motown releases what would be its first #1 hit (in America), "Please Mr. Postman" by The Marvelettes.
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
September 12 » The African and Malagasy Union is founded.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I85580.php : accessed March 11, 2026), "Geert de Vries (1886-1961)".
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