January 4 » Utah is admitted as the 45th U.S. state.
January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
July 28 » The city of Miami, Florida is incorporated.
August 16 » Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.
December 10 » Alfred Jarry's Ubu Roi premieres in Paris. A riot breaks out at the end of the performance.
Day of marriage October 29, 1931
The temperature on October 29, 1931 was between 3.9 °C and 11.0 °C and averaged 6.4 °C. There was 3.7 mm of rain during 2.4 hours. There was 4.2 hours of sunshine (43%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
February 20 » The U.S. Congress approves the construction of the San Francisco–Oakland Bay Bridge by the state of California.
March 25 » The Scottsboro Boys are arrested in Alabama and charged with rape.
March 26 » Ho Chi Minh Communist Youth Union is founded in Vietnam.
July 1 » United Airlines begins service (as Boeing Air Transport).
October 1 » The George Washington Bridge in the United States, linking New Jersey and New York, is opened.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
Day of death April 21, 1980
The temperature on April 21, 1980 was between 3.2 °C and 9.6 °C and averaged 5.9 °C. There was 1.2 mm of rain during 1.2 hours. There was 4.7 hours of sunshine (33%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. 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 27 » The Norwegian oil platform Alexander L. Kielland collapses in the North Sea, killing 123 of its crew of 212.
April 3 » US Congress restores a federal trust relationship with the 501 members of the Shvwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.
April 9 » The Iraqi regime of Saddam Hussein kills philosopher Muhammad Baqir al-Sadr and his sister Bint al-Huda after three days of torture.
June 3 » An explosive device is detonated at the Statue of Liberty. The FBI suspects Croatian nationalists.
September 30 » Ethernet specifications are published by Xerox working with Intel and Digital Equipment Corporation.
October 10 » The Farabundo Martí National Liberation Front is founded in El Salvador.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I3726.php : accessed March 15, 2026), "Dirkje de Graaf (1896-1980)".
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.