The temperature on January 21, 1878 was about 10.0 °C. There was 0.2 mm of rain. The air pressure was 45 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 89%. 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 4 » Russo-Turkish War (1877–78): Sofia is liberated from Ottoman rule and designated the capital of Liberated Bulgaria.
May 14 » The last witchcraft trial held in the United States begins in Salem, Massachusetts, after Lucretia Brown, an adherent of Christian Science, accused Daniel Spofford of attempting to harm her through his mental powers.
May 25 » Gilbert and Sullivan's comic opera H.M.S. Pinafore opens at the Opera Comique in London.
June 4 » Cyprus Convention: The Ottoman Empire cedes Cyprus to the United Kingdom but retains nominal title.
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.
Day of marriage May 1, 1897
The temperature on May 1, 1897 was about 10.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
January 31 » Czechoslav Trade Union Association is founded in Prague.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death June 20, 1958
The temperature on June 20, 1958 was between 11.5 °C and 15.5 °C and averaged 13.7 °C. There was 4.9 mm of rain during 5.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 18 » Willie O'Ree, the first Black Canadian National Hockey League player, makes his NHL debut with the Boston Bruins.
April 26 » Final run of the Baltimore and Ohio Railroad's Royal Blue from Washington, D.C., to New York City after 68years, the first U.S. passenger train to use electric locomotives.
July 9 » A 7.8 Mw strike-slip earthquake in Alaska causes a landslide that produces a megatsunami. The runup from the waves reached 525m (1,722ft) on the rim of Lituya Bay; five people were killed.
October 7 » The U.S. manned space-flight project is renamed Project Mercury.
November 10 » The Hope Diamond is donated to the Smithsonian Institution by New York diamond merchant Harry Winston.
December 1 » The Our Lady of the Angels School fire in Chicago kills 92 children and three nuns.
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/I233603.php : accessed February 25, 2026), "Grietje Wijnholts (1878-1958)".
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