The temperature on November 9, 1888 was about -1.9 °C. The air pressure was 24 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 88%. 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.
April 3 » The first of eleven unsolved brutal murders of women committed in or near the impoverished Whitechapel district in the East End of London, occurs.
July 15 » The stratovolcano Mount Bandai erupts killing approximately 500 people, in Fukushima Prefecture, Japan.
August 14 » An audio recording of English composer Arthur Sullivan's "The Lost Chord", one of the first recordings of music ever made, is played during a press conference introducing Thomas Edison's phonograph in London, England.
August 31 » Mary Ann Nichols is murdered. She is the first of Jack the Ripper's confirmed victims.
September 8 » In London, the body of Jack the Ripper's second murder victim, Annie Chapman, is found.
October 17 » Thomas Edison files a patent for the Optical Phonograph (the first movie).
Day of marriage November 15, 1919
The temperature on November 15, 1919 was between -4.7 °C and -0.9 °C and averaged -2.7 °C. There was 0.9 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the northeast. 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.
April 16 » Mohandas Gandhi organizes a day of "prayer and fasting" in response to the killing of Indian protesters in the Jallianwala Bagh massacre by the British colonial troops three days earlier.
June 21 » Admiral Ludwig von Reuter scuttles the German fleet at Scapa Flow, Orkney. The nine sailors killed are the last casualties of World War I.
June 28 » The Treaty of Versailles is signed, ending the state of war between Germany and the Allies of World War I.
July 13 » The British airship R34 lands in Norfolk, England, completing the first airship return journey across the Atlantic in 182 hours of flight.
September 11 » United States Marine Corps invades Honduras.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
Day of death April 21, 1959
The temperature on April 21, 1959 was between -2.2 °C and 12.0 °C and averaged 5.6 °C. There was 5.4 hours of sunshine (38%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 17 » Project Vanguard: Vanguard 2: The first weather satellite is launched to measure cloud-cover distribution.
February 20 » The Avro Arrow program to design and manufacture supersonic jet fighters in Canada is cancelled by the Diefenbaker government amid much political debate.
March 18 » The Hawaii Admission Act is signed into law.
August 31 » A parcel bomb sent by Ngô Đình Nhu, younger brother and chief adviser of South Vietnamese President Ngô Đình Diệm, fails to kill King Norodom Sihanouk of Cambodia.
September 12 » The Soviet Union launches a large rocket, Lunik II, at the moon.
November 23 » French President Charles de Gaulle declares in a speech in Strasbourg his vision for "Europe, from the Atlantic to the Urals".
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/I187202.php : accessed February 15, 2026), "Jan Poortinga (1888-1959)".
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