The temperature on May 17, 1888 was about 17.3 °C. The air pressure was 25 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 69%. 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.
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
March 20 » The premiere of the very first Romani language operetta is staged in Moscow, Russia.
March 23 » In England, The Football League, the world's oldest professional association football league, meets for the first time.
June 5 » The Rio de la Plata earthquake takes place.
October 14 » Louis Le Prince films the first motion picture, Roundhay Garden Scene.
October 21 » Foundation of the Swiss Social Democratic Party.
October 29 » The Convention of Constantinople is signed, guaranteeing free maritime passage through the Suez Canal during war and peace.
Day of marriage April 21, 1912
The temperature on April 21, 1912 was between 6.8 °C and 20.2 °C and averaged 14.4 °C. There was 12.8 hours of sunshine (90%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 4 » The Scout Association is incorporated throughout the British Empire by royal charter.
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
May 18 » The first Indian film, Shree Pundalik by Dadasaheb Torne, is released in Mumbai.
October 11 » First Balkan War: The day after the Battle of Sarantaporo, Greek troops liberate the city of Kozani.
October 14 » Former president Theodore Roosevelt is shot and mildly wounded by John Flammang Schrank. With the fresh wound in his chest, and the bullet still within it, Roosevelt delivers his scheduled speech.
Day of death December 18, 1979
The temperature on December 18, 1979 was between -0.2 °C and 7.3 °C and averaged 5.3 °C. There was 2.0 mm of rain during 4.8 hours. There was 1.4 hours of sunshine (18%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
March 17 » The Penmanshiel Tunnel collapses during engineering works, killing two workers.
April 6 » Student protests break out in Nepal.
May 25 » John Spenkelink, a convicted murderer, is executed in Florida; he is the first person to be executed in the state after the reintroduction of capital punishment in 1976.
July 21 » Jay Silverheels, a Mohawk actor, becomes the first Native American to have a star commemorated in the Hollywood Walk of Fame.
September 1 » The American space probe Pioneer 11 becomes the first spacecraft to visit Saturn when it passes the planet at a distance of 21,000 kilometres (13,000mi).
November 19 » Iran hostage crisis: Iranian leader Ayatollah Ruhollah Khomeini orders the release of 13 female and black American hostages being held at the US Embassy in Tehran.
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/I167475.php : accessed December 29, 2025), "Willem Jonkman (1888-1979)".
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