The temperature on August 7, 1887 was about 16.1 °C. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 73%. 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 2 » In Punxsutawney, Pennsylvania the first Groundhog Day is observed.
February 23 » The French Riviera is hit by a large earthquake, killing around 2,000.
April 4 » Argonia, Kansas elects Susanna M. Salter as the first female mayor in the United States.
June 18 » The Reinsurance Treaty between Germany and Russia is signed.
September 5 » A fire at the Theatre Royal, Exeter, kills 186.
November 9 » The United States receives rights to Pearl Harbor, Hawaii.
Day of marriage July 20, 1911
The temperature on July 20, 1911 was between 10.6 °C and 24.4 °C and averaged 18.8 °C. There was 6.7 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 12 » The University of the Philippines College of Law is formally established; three future Philippine presidents are among the first enrollees.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
Day of death November 15, 1969
The temperature on November 15, 1969 was between 4.1 °C and 8.3 °C and averaged 6.3 °C. There was 8.0 mm of rain during 2.8 hours. There was 1.7 hours of sunshine (19%). The heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
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/I79289.php : accessed March 6, 2026), "Klaas Baron (1887-1969)".
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