The temperature on January 6, 1878 was about 5.1 °C. There was 0.5 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
March 24 » Mayor of New York City Robert Anderson Van Wyck breaks ground for a new underground "Rapid Transit Railroad" that would link Manhattan and Brooklyn.
April 14 » The Exposition Universelle begins.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death January 31, 1920
The temperature on January 31, 1920 was between 1.1 °C and 11.2 °C and averaged 6.1 °C. There was 2.6 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
When copying data from this family tree, please include a reference to the origin: M. de Wilt, "Family tree Droppert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-droppert/I508.php : accessed January 29, 2026), "Helena Droppert (1878-1920)".
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