The temperature on February 4, 1886 was about -0.6 °C. There was 0.2 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. 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.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
June 30 » The first transcontinental train trip across Canada departs from Montreal, Quebec. It arrives in Port Moody, British Columbia on July 4.
Day of marriage November 5, 1910
The temperature on November 5, 1910 was between 1.4 °C and 9.9 °C and averaged 4.5 °C. There was 0.2 mm of rain. There was 4.3 hours of sunshine (46%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
April 29 » The Parliament of the United Kingdom passes the People's Budget, the first budget in British history with the expressed intent of redistributing wealth among the British public.
August 20 » Extremely dry and windy weather in the Inland Northwest of the United States causes several small wildfires to coalesce into the Great Fire of 1910, burning approximately 3million acres (12,000km) and killing 87 people.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
Day of death July 29, 1971
The temperature on July 29, 1971 was between 14.7 °C and 16.3 °C and averaged 15.3 °C. There was 4.2 mm of rain during 2.8 hours. There was -0.1 hours of sunshine (0%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 1 » Cigarette advertisements are banned on American television.
March 12 » The 1971 Turkish military memorandum is sent to the Süleyman Demirel government of Turkey and the government resigns.
May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
August 15 » Bahrain gains independence from the United Kingdom.
October 28 » Prospero becomes the only British satellite to be launched by a British rocket.
November 22 » In Britain's worst mountaineering tragedy, the Cairngorm Plateau Disaster, five children and one of their leaders are found dead from exposure in the Scottish mountains.
When copying data from this family tree, please include a reference to the origin: Michel Janssen, "Family tree De Groot", database, Genealogy Online (https://www.genealogieonline.nl/familie-de-groot-stamboom/I61.php : accessed May 5, 2024), "Hendrikus de Groot (1886-1971)".
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