The temperature on July 22, 1884 was about 20.9 °C. The air pressure was 3 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. 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.
January 4 » The Fabian Society is founded in London, United Kingdom.
May 31 » The arrival at Plymouth of Tāwhiao, King of Maoris, to claim the protection of Queen Victoria.
June 16 » The first purpose-built roller coaster, LaMarcus Adna Thompson's "Switchback Railway", opens in New York's Coney Island amusement park.
July 3 » Dow Jones & Company publishes its first stock average.
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.
Day of marriage May 13, 1920
The temperature on May 13, 1920 was between 7.4 °C and 16.2 °C and averaged 12.4 °C. There was 0.1 mm of rain. There was 4.8 hours of sunshine (31%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 7 » The New York State Assembly refuses to seat five duly elected Socialist assemblymen.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
February 24 » Nancy Astor becomes the first woman to speak in the House of Commons of the United Kingdom following her election as a Member of Parliament (MP) three months earlier.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
Day of death October 24, 1961
The temperature on October 24, 1961 was between 6.6 °C and 16.7 °C and averaged 12.0 °C. There was 21.0 mm of rain during 7.5 hours. There was 0.4 hours of sunshine (4%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 12 » The Soviet Union launches Venera 1 towards Venus.
May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
September 12 » The African and Malagasy Union is founded.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
September 17 » The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.
November 18 » United States President John F. Kennedy sends 18,000 military advisors to South Vietnam.
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/I55851.php : accessed October 17, 2026), "Hendrikjen Jansma (1884-1961)".
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