The temperature on April 5, 1885 was about 4.0 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 78%. 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 first government-approved Japanese immigrants arrived in Hawaii.
July 1 » The Congo Free State is established by King Leopold II of Belgium.
July 6 » Louis Pasteur successfully tests his vaccine against rabies on Joseph Meister, a boy who was bitten by a rabid dog.
August 14 » Japan's first patent is issued to the inventor of a rust-proof paint.
September 29 » The first practical public electric tramway in the world is opened in Blackpool, England.
November 7 » The completion of Canada's first transcontinental railway is symbolized by the Last Spike ceremony at Craigellachie, British Columbia.
Day of death June 7, 1968
The temperature on June 7, 1968 was between 6.8 °C and 17.0 °C and averaged 12.2 °C. There was 0.2 mm of rain. There was 0.5 hours of sunshine (3%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
April 3 » Martin Luther King Jr. delivers his "I've Been to the Mountaintop" speech. He was assassinated the next day.
May 25 » The Gateway Arch in St. Louis, Missouri, is dedicated.
May 26 » H-dagurinn in Iceland: Traffic changes from driving on the left to driving on the right overnight
July 26 » Vietnam War: South Vietnamese opposition leader Trương Đình Dzu is sentenced to five years hard labor for advocating the formation of a coalition government as a way to move toward an end to the war.
October 22 » Apollo program: Apollo 7 safely splashes down in the Atlantic Ocean after orbiting the Earth 163 times.
November 17 » Viewers of the Raiders–Jets football game in the eastern United States are denied the opportunity to watch its exciting finish when NBC broadcasts Heidi instead, prompting changes to sports broadcasting in the U.S.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I353092.php : accessed February 20, 2026), "Alida Maria de Groot (1885-1968)".
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