The temperature on October 21, 1887 was about 8.5 °C. There was 0.1 mm of rain. The air pressure was 4 kgf/m2 and came mainly from the north-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. 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 8 » The Dawes Act authorizes the President of the United States to survey Native American tribal land and divide it into individual allotments.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
June 23 » The Rocky Mountains Park Act becomes law in Canada creating the nation's first national park, Banff National Park.
October 1 » Balochistan is conquered by the British Empire.
November 13 » Bloody Sunday clashes in central London.
Day of death June 23, 1961
The temperature on June 23, 1961 was between 11.9 °C and 21.6 °C and averaged 17.1 °C. There was 11.8 hours of sunshine (70%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
March 1 » Uganda becomes self-governing and holds its first elections.
June 19 » Kuwait declares independence from the United Kingdom.
August 10 » Vietnam War: The U.S. Army begins Operation Ranch Hand, spraying an estimated 20million US gallons (76,000m) of defoliants and herbicides over rural areas of South Vietnam in an attempt to deprive the Viet Cong of food and vegetation cover.
November 12 » Terry Jo Duperrault is the sole survivor of a series of brutal murders aboard the Ketch Bluebelle.
December 31 » RTÉ, Ireland's state broadcaster, launches its first national television service.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I495078.php : accessed January 23, 2026), "Christina Gerritjen Koopman (1887-1961)".
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