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 2 » The second Palmer Raid, ordered by the US Department of Justice, results in 6,000 suspected communists and anarchists being arrested and held without trial.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 16 » Zeta Phi Beta Sorority Incorporated was founded on the campus of Howard University.
July 29 » Construction of the Link River Dam begins as part of the Klamath Reclamation Project.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
December 16 » The Haiyuan earthquake of 8.5Mw , rocks the Gansu province in China, killing an estimated 200,000.
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.
February 8 » The People's Republic of Korea is dissolved in the North, establishing the communist-controlled Provisional People's Committee of North Korea.
March 9 » Bolton Wanderers stadium disaster at Burnden Park, Bolton, England, kills 33 and injures hundreds more.
April 8 » Électricité de France, the world's largest utility company, is formed as a result of the nationalisation of a number of electricity producers, transporters and distributors.
November 3 » The Constitution of Japan is adopted through Emperor's assent.
December 7 » A fire at the Winecoff Hotel in Atlanta, Georgia kills 119 people, the deadliest hotel fire in U.S. history.
December 12 » United Nations Security Council Resolution 13 relating to acceptance of Siam to United Nations is adopted.
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
April 23 » NATO bombs the headquarters of Radio Television of Serbia, as part of their aerial campaign against the Federal Republic of Yugoslavia.
May 25 » The United States House of Representatives releases the Cox Report which details the People's Republic of China's nuclear espionage against the U.S. over the prior two decades.
July 31 » Discovery Program: Lunar Prospector: NASA intentionally crashes the spacecraft into the Moon, thus ending its mission to detect frozen water on the Moon's surface.
October 27 » Gunmen open fire in the Armenian Parliament, killing the Prime Minister and seven others.
October 31 » EgyptAir Flight 990 crashes into the Atlantic Ocean near Nantucket, killing all 217 people on board.
December 24 » Indian Airlines Flight 814 is hijacked in Indian airspace between Kathmandu, Nepal, and Delhi, India. The aircraft landed at Kandahar in Afghanistan. The incident ended on December 31 with the release of 190 survivors (one passenger is killed).
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 February 20, 2026), "Jacob Ybe Poortinga (1920-1999)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.