The temperature on February 15, 1886 was about -1.6 °C. The air pressure was 2 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 66%. 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 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 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 5 » The Bay View massacre: A militia fires into a crowd of protesters in Milwaukee, killing seven.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
July 3 » The New-York Tribune becomes the first newspaper to use a linotype machine, eliminating typesetting by hand.
Day of marriage July 20, 1910
The temperature on July 20, 1910 was between 10.0 °C and 19.2 °C and averaged 14.6 °C. There was 2.6 mm of rain. There was 1.6 hours of sunshine (10%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
May 6 » George V becomes King of Great Britain, Ireland, and many overseas territories, on the death of his father, Edward VII.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
September 12 » Premiere performance of Gustav Mahler's Symphony No. 8 in Munich (with a chorus of 852 singers and an orchestra of 171 players. Mahler's rehearsal assistant conductor was Bruno Walter).
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death January 23, 1965
The temperature on January 23, 1965 was between -0.8 °C and 5.4 °C and averaged 2.6 °C. There was 3.3 hours of sunshine (38%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
April 21 » The 1964–1965 New York World's Fair opens for its second and final season.
July 29 » Vietnam War: The first 4,000 101st Airborne Division paratroopers arrive in Vietnam, landing at Cam Ranh Bay.
September 7 » During an Indo-Pakistani War, China announces that it will reinforce its troops on the Indian border.
September 21 » The Gambia, Maldives and Singapore are admitted as members of the United Nations.
September 30 » In Indonesia, a coup by the 30 September Movement is crushed, leading to a mass anti-communist purge, with over 500,000 people killed.
November 9 » A Catholic Worker Movement member, Roger Allen LaPorte, protesting against the Vietnam War, sets himself on fire in front of the United Nations building.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I100199.php : accessed January 29, 2026), "Jacobus Witsenburg (1886-1965)".
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