The temperature on December 12, 1886 was about 6.5 °C. There was 2 mm of rain. The air pressure was 66 kgf/m2 and came mainly from the west-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 85%. 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.
January 29 » Karl Benz patents the first successful gasoline-driven automobile.
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.
October 28 » President Cleveland dedicates the Statue of Liberty.
November 14 » Friedrich Soennecken first developed the hole puncher, a type of office tool capable of punching small holes in paper.
Day of death December 6, 1961
The temperature on December 6, 1961 was between 0.6 °C and 6.3 °C and averaged 3.5 °C. There was 9.8 mm of rain during 2.3 hours. There was 5.0 hours of sunshine (63%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 3 » The SL-1 nuclear reactor is destroyed by a steam explosion in the only reactor incident in the United States to cause immediate fatalities.
January 8 » In France a referendum supports Charles de Gaulle's policies in Algeria.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
May 14 » Civil rights movement: A white mob twice attacks a Freedom Riders bus near Anniston, Alabama, before fire-bombing the bus and attacking the civil rights protesters who flee the burning vehicle.
November 21 » The "La Ronde" opens in Honolulu, first revolving restaurant in the United States.
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: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I6019.php : accessed January 1, 2026), "Trijntje Keijzer (1886-1961)".
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