The temperature on March 20, 1878 was about 11.4 °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 70%. 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.
January 16 » Russo-Turkish War (1877–78): Battle of Philippopolis: Captain Aleksandr Burago with a squadron of Russian Imperial army dragoons liberates Plovdiv from Ottoman rule.
February 19 » Thomas Edison patents the phonograph.
May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
September 1 » Emma Nutt becomes the world's first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.
October 15 » The Edison Electric Light Company begins operation.
December 31 » Karl Benz, working in Mannheim, Germany, filed for a patent on his first reliable two-stroke gas engine, and he was granted the patent in 1879.
Day of death February 25, 1947
The temperature on February 25, 1947 was between -12.4 °C and 1.8 °C and averaged -5.5 °C. There was 4.9 hours of sunshine (46%). The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
January 6 » Pan American Airlines becomes the first commercial airline to offer a round-the-world ticket.
July 6 » Referendum held in Sylhet to decide its fate in the Partition of India.
July 19 » Korean politician Lyuh Woon-hyung is assassinated.
August 15 » India gains Independence from British rule after near 190 years of British company and crown rule, and joins the Commonwealth of Nations.
October 20 » The House Un-American Activities Committee begins its investigation into Communist infiltration of the Hollywood film industry, resulting in a blacklist that prevents some from working in the industry for years.
November 13 » The Soviet Union completes development of the AK-47, one of the first proper assault rifles.
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/I213119.php : accessed December 30, 2025), "Derk Ritzema (1878-1947)".
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