The temperature on July 30, 1920 was between 10.4 °C and 17.0 °C and averaged 14.4 °C. There was 24.4 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 16 » The League of Nations holds its first council meeting in Paris, France.
March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
March 14 » In the second of the 1920 Schleswig plebiscites, about 80% of the population in Zone II votes to remain part of Weimar Germany.
July 12 » The Soviet–Lithuanian Peace Treaty is signed, by which Soviet Russia recognizes the independence of Lithuania.
October 30 » The Communist Party of Australia is founded in Sydney.
December 24 » Gabriele D'Annunzio surrendered the Italian Regency of Carnaro in the city of Fiume to Italian armed forces.
Day of marriage September 5, 1946
The temperature on September 5, 1946 was between 10.0 °C and 17.8 °C and averaged 13.7 °C. There was 0.2 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 31 » Cold War: Yugoslavia's new constitution, modeling that of the Soviet Union, establishes six constituent republics (Bosnia and Herzegovina, Croatia, Macedonia, Montenegro, Serbia and Slovenia).
March 2 » Ho Chi Minh is elected the President of North Vietnam.
March 28 » Cold War: The United States Department of State releases the Acheson–Lilienthal Report, outlining a plan for the international control of nuclear power.
April 1 » The 8.6 Mw Aleutian Islands earthquake shakes the Aleutian Islands with a maximum Mercalli intensity of VI (Strong). A destructive tsunami reaches the Hawaiian Islands resulting in dozens of deaths, mostly in Hilo, Hawaii.
May 8 » Estonian schoolgirls Aili Jõgi and Ageeda Paavel blow up the Soviet memorial which preceded the Bronze Soldier of Tallinn.
November 23 » French naval bombardment of Hai Phong, Vietnam, kills thousands of civilians.
Day of death July 30, 1999
The temperature on July 30, 1999 was between 14.3 °C and 29.6 °C and averaged 23.1 °C. There was 13.3 hours of sunshine (85%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 3 » The Mars Polar Lander is launched by NASA.
May 7 » Kosovo War: Three Chinese citizens are killed and 20 wounded when a NATO aircraft apparently inadvertently bombs the Chinese embassy in Belgrade, Serbia.
October 29 » A large cyclone devastates Odisha, India.
November 2 » Xerox murders: In the worst mass murder in the history of Hawaii, a gunman shoots at eight people in his workplace, killing seven.
November 19 » Shenzhou 1: The People's Republic of China launches its first Shenzhou spacecraft.
December 31 » Indian Airlines Flight 814 hijacking ended after seven days with the release of 190 survivors at Kandahar Airport, Afghanistan.
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/I186848.php : accessed October 19, 2026), "Jacob Ybe Poortinga (1920-1999)".
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