April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
July 26 » Anglo-Afghan War: The Pashtun fakir Saidullah leads an army of more than 10,000 to begin a siege of the British garrison in the Malakand Agency of the North West Frontier Province of India.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of marriage September 21, 1933
The temperature on September 21, 1933 was between 10.0 °C and 14.3 °C and averaged 12.4 °C. There was 4.2 mm of rain during 5.6 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
January 5 » Construction of the Golden Gate Bridge begins in San Francisco Bay.
March 31 » The Civilian Conservation Corps is established with the mission of relieving rampant unemployment in the United States.
April 1 » The recently elected Nazis under Julius Streicher organize a one-day boycott of all Jewish-owned businesses in Germany, ushering in a series of anti-Semitic acts.
October 10 » A United Airlines Boeing 247 is destroyed by sabotage, the first such proven case in the history of commercial aviation.
October 19 » Konstantin von Neurath withdraws Germany from the League of Nations.
November 15 » Thailand has its first election.
Day of death January 15, 1980
The temperature on January 15, 1980 was between -7.0 °C and -1.8 °C and averaged -4.1 °C. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. 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.
February 24 » The United States Olympic hockey team completes its Miracle on Ice by defeating Finland 4–2 to win the gold medal.
March 27 » The Norwegian oil platform Alexander L. Kielland collapses in the North Sea, killing 123 of its crew of 212.
May 13 » An F3 tornado hits Kalamazoo County, Michigan. President Jimmy Carter declares it a federal disaster area.
August 26 » After John Birges plants a bomb at Harvey's Resort Hotel in Stateline, Nevada, in the United States, the FBI inadvertently detonates the bomb during its disarming.
November 4 » Ronald Reagan is elected the 40th President of The United States, defeating incumbent Jimmy Carter.
November 20 » Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole.
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/I12227.php : accessed October 16, 2026), "Geertruida Knap (1897-1980)".
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