The temperature on May 23, 1886 was about 24.7 °C. There was 3 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. 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.
March 1 » The Anglo-Chinese School, Singapore is founded by Bishop William Oldham.
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.
May 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
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 30 » The Folies Bergère stages its first revue.
Day of marriage December 11, 1909
The temperature on December 11, 1909 was between -2.0 °C and 2.3 °C and averaged 0.2 °C. There was 0.5 hours of sunshine (6%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 9 » Ernest Shackleton, leading the Nimrod Expedition to the South Pole, plants the British flag 97 nautical miles (180km; 112mi) from the South Pole, the farthest anyone had ever reached at that time.
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
March 23 » Theodore Roosevelt leaves New York for a post-presidency safari in Africa. The trip is sponsored by the Smithsonian Institution and National Geographic Society.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
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.
Day of death November 30, 1965
The temperature on November 30, 1965 was between 0.7 °C and 5.5 °C and averaged 3.8 °C. There was 23.8 mm of rain during 13.2 hours. There was 0.8 hours of sunshine (10%). The almost completely overcast was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
February 17 » Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for the Apollo 11 lunar landing.
March 15 » President Lyndon B. Johnson, responding to the Selma crisis, tells U.S. Congress "We shall overcome" while advocating the Voting Rights Act.
May 27 » Vietnam War: American warships begin the first bombardment of National Liberation Front targets within South Vietnam.
June 22 » The Treaty on Basic Relations between Japan and the Republic of Korea is signed.
December 9 » Kecksburg UFO incident: A fireball is seen from Michigan to Pennsylvania; witnesses report something crashing in the woods near Pittsburgh.
December 15 » Project Gemini: Gemini 6A, crewed by Wally Schirra and Thomas Stafford, is launched from Cape Kennedy, Florida. Four orbits later, it achieves the first space rendezvous, with Gemini 7.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I69735.php : accessed January 18, 2026), "Jan Klok (1886-1965)".
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