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.
February 19 » More than sixty tornadoes strike the Southern United States, one of the largest tornado outbreaks in U.S. history.
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 13 » The International Meridian Conference establishes the meridian of the Greenwich Observatory as the prime meridian.
October 22 » The International Meridian Conference designates the Royal Observatory, Greenwich as the world's 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.
March 13 » The Kapp Putsch briefly ousts the Weimar Republic government from Berlin.
April 15 » Two security guards are murdered during a robbery in South Braintree, Massachusetts. Anarchists Sacco and Vanzetti would be convicted of and executed for the crime, amid much controversy.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
May 7 » Kiev Offensive: Polish troops led by Józef Piłsudski and Edward Rydz-Śmigły and assisted by a symbolic Ukrainian force capture Kiev only to be driven out by the Red Army counter-offensive a month later.
August 10 » World War I: Ottoman sultan Mehmed VI's representatives sign the Treaty of Sèvres that divides up the Ottoman Empire between the Allies.
August 11 » The Latvian–Soviet Peace Treaty, which relinquished Russia's authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
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
April 8 » A large explosion on board the MVDara in the Persian Gulf kills 238.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
April 16 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
April 23 » Algiers putsch by French generals.
July 12 » Indian city Pune floods due to failure of the Khadakwasla and Panshet dams, killing at least two thousand people.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
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 11, 2026), "Hendrikjen Jansma (1884-1961)".
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