The temperature on September 24, 1884 was about 13.4 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 77 cm mercury. The atmospheric humidity was 86%. 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.
April 20 » Pope Leo XIII publishes the encyclical Humanum genus.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
October 6 » The Naval War College of the United States is founded in Rhode Island.
October 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
December 6 » The Washington Monument in Washington, D.C., is completed.
December 10 » Mark Twain's Adventures of Huckleberry Finn is published.
Day of marriage November 6, 1907
The temperature on November 6, 1907 was between -1.4 °C and 10.1 °C and averaged 3.9 °C. There was 1.2 hours of sunshine (13%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
April 15 » Triangle Fraternity is founded at the University of Illinois at Urbana–Champaign.
June 14 » The National Association for Women's Suffrage succeeds in getting Norwegian women the right to vote in parliamentary elections.
July 29 » Sir Robert Baden-Powell sets up the Brownsea Island Scout camp in Poole Harbour on the south coast of England. The camp runs from August 1 to August 9 and is regarded as the foundation of the Scouting movement.
September 7 » Cunard Line's RMSLusitania sets sail on her maiden voyage from Liverpool, England, to New York City.
October 17 » Marconi begins the first commercial transatlantic wireless service.
December 19 » Two hundred thirty-nine coal miners die in the Darr Mine Disaster in Jacobs Creek, Pennsylvania.
Day of death July 10, 1970
The temperature on July 10, 1970 was between 9.6 °C and 20.5 °C and averaged 15.6 °C. There was 12.0 hours of sunshine (73%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
May 11 » The 1970 Lubbock tornado kills 26 and causes $250million in damage.
May 14 » Andreas Baader is freed from custody by Ulrike Meinhof, Gudrun Ensslin and others, a pivotal moment in the formation of the Red Army Faction.
September 16 » King Hussein of Jordan declares war against the Palestine Liberation Organization, the conflict which became to be known as Black September.
October 9 » The Khmer Republic is proclaimed in Cambodia.
October 26 » Muhammad Ali boxes for the first time after Ali's three-year hiatus due to draft evasion.
December 23 » The Democratic Republic of the Congo officially becomes a one-party state.
When copying data from this family tree, please include a reference to the origin: H.L. Witmer, "Family tree Witmer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witmer/I2047.php : accessed February 15, 2026), "Maria Witmaar (1884-1970)".
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