The temperature on February 28, 1886 was about -7.6 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 79%. 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.
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.
June 26 » Henri Moissan isolated elemental Fluorine for the first time.
August 31 » The 7.0 Mw Charleston earthquake affects southeastern South Carolina with a maximum Mercalli intensity of X (Extreme). Sixty people killed with damage estimated at $5–6 million.
Day of death May 17, 1971
The temperature on May 17, 1971 was between 11.4 °C and 21.1 °C and averaged 14.7 °C. There was 14.5 mm of rain during 4.6 hours. There was 1.2 hours of sunshine (8%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 21 » The Convention on Psychotropic Substances is signed at Vienna.
July 15 » The United Red Army is founded in Japan.
November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
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.
December 7 » The Battle of Sylhet is fought between the Pakistani military and the Mukti Bahini.
When copying data from this family tree, please include a reference to the origin: H.H.A. van den Heurik, "Family tree Van den Heurik", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-den-heurik/I000127.php : accessed May 4, 2024), "Anna van den Heurik (1886-1971)".
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