June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
July 1 » Start of first Tour de France bicycle race.
July 19 » Maurice Garin wins the first Tour de France.
August 29 » The Slava, the last of the five Borodino-class battleships, is launched.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
Day of marriage May 27, 1925
The temperature on May 27, 1925 was between 9.5 °C and 15.5 °C and averaged 12.6 °C. There was 10.1 mm of rain. There was 0.4 hours of sunshine (2%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
February 21 » The New Yorker publishes its first issue.
May 5 » Scopes Trial: Serving of an arrest warrant on John T. Scopes for teaching evolution in violation of the Butler Act.
May 25 » Scopes Trial: John T. Scopes is indicted for teaching human evolution in Tennessee.
June 16 » The most famous Young Pioneer camp of the Soviet Union, Artek, is established.
July 21 » Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching human evolution in class and fined $100.
September 8 » Rif War: Spanish forces including troops from the Foreign Legion under Colonel Francisco Franco landing at Al Hoceima, Morocco.
Day of death March 20, 1972
The temperature on March 20, 1972 was between -1.5 °C and 18.9 °C and averaged 8.9 °C. There was -0.1 mm of rain. There was 9.8 hours of sunshine (81%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 10 » Ras Al Khaimah joins the United Arab Emirates, now making up seven emirates.
March 20 » The Troubles: The first Provisional IRA car bombing in Belfast kills seven people and injures 148 others in Northern Ireland.
April 13 » The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.
June 17 » Watergate scandal: Five White House operatives are arrested for burgling the offices of the Democratic National Committee during an attempt by members of the administration of President Richard M. Nixon to illegally wiretap the political opposition as part of a broader campaign to subvert the democratic process.
June 20 » Watergate scandal: An 18½-minute gap appears in the tape recording of the conversations between U.S. President Richard Nixon and his advisers regarding the recent arrests of his operatives while breaking into the Watergate complex.
December 11 » Apollo 17 becomes the sixth and final Apollo mission to land on the Moon.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I4296.php : accessed February 2, 2026), "Hendrika Engelina Keijsper (1903-1972)".
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