The temperature on September 13, 1870 was about 13.3 °C. There was 9 mm of rain. The air pressure was 13 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 95%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
January 29 » Liliuokalani is proclaimed the last monarch and only queen regnant of the Kingdom of Hawaii.
April 1 » The Wrigley Company is founded in Chicago, Illinois.
May 16 » The International Electrotechnical Exhibition opens in Frankfurt, Germany, and will feature the world's first long-distance transmission of high-power, three-phase electric current (the most common form today).
May 20 » History of cinema: The first public display of Thomas Edison's prototype kinetoscope.
August 24 » Thomas Edison patents the motion picture camera.
December 22 » Asteroid 323 Brucia becomes the first asteroid discovered using photography.
Day of death March 20, 1951
The temperature on March 20, 1951 was between -0.1 °C and 6.3 °C and averaged 2.7 °C. There was 9.1 hours of sunshine (75%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
January 27 » Nuclear testing at the Nevada Test Site begins with Operation Ranger.
March 15 » Iranian oil industry is nationalized.
May 13 » The 400th anniversary of the founding of the National University of San Marcos is commemorated by the opening of the first large-capacity stadium in Peru.
July 4 » Cold War: A court in Czechoslovakia sentences American journalist William N. Oatis to ten years in prison on charges of espionage.
October 20 » The "Johnny Bright incident" occurs in Stillwater, Oklahoma.
November 2 » Canada in the Korean War: A platoon of The Royal Canadian Regiment defends a vital area against a full battalion of Chinese troops in the Battle of the Song-gok Spur. The engagement lasts into the early hours the next day.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I217159.php : accessed December 28, 2025), "Jan Groen (1870-1951)".
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