The temperature on June 20, 1873 was about 22.9 °C. There was 0.1 mm of rain. The air pressure was 1 kgf/m2 and came mainly from the west-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 67%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death March 20, 1950
The temperature on March 20, 1950 was between 4.4 °C and 13.0 °C and averaged 8.5 °C. There was 3.5 mm of rain during 6.8 hours. There was 2.6 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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).
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/I49079.php : accessed February 9, 2026), "Gerhardus Heerkes van Os (1873-1950)".
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