The temperature on March 31, 1923 was between 0.5 °C and 12.8 °C and averaged 6.6 °C. There was 6.0 hours of sunshine (47%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
March 20 » The Arts Club of Chicago hosts the opening of Pablo Picasso's first United States showing, entitled Original Drawings by Pablo Picasso, becoming an early proponent of modern art in the United States.
June 27 » Capt. Lowell H. Smith and Lt. John P. Richter perform the first ever aerial refueling in a DH.4B biplane.
September 1 » The Great Kantō earthquake devastates Tokyo and Yokohama, killing about 105,000 people.
September 7 » The International Criminal Police Organization (INTERPOL) is formed.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
Day of marriage May 29, 1953
The temperature on May 29, 1953 was between 7.9 °C and 14.1 °C and averaged 10.9 °C. There was 3.1 mm of rain during 2.4 hours. There was 1.3 hours of sunshine (8%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
March 3 » A De Havilland Comet (Canadian Pacific Air Lines) crashes in Karachi, Pakistan, killing 11.
March 5 » Joseph Stalin, the longest serving leader of the Soviet Union, dies at his Volynskoe dacha in Moscow after suffering a cerebral hemorrhage four days earlier.
July 26 » Arizona Governor John Howard Pyle orders an anti-polygamy law enforcement crackdown on residents of Short Creek, Arizona, which becomes known as the Short Creek raid.
August 12 » The first testing of a real thermonuclear weapon (not test devices): The Soviet atomic bomb project continues with the detonation of "RDS-6s" (Joe 4), the first Soviet thermonuclear bomb.
August 19 » Cold War: The CIA and MI6 help to overthrow the government of Mohammad Mosaddegh in Iran and reinstate the Shah Mohammad Reza Pahlavi.
September 12 » U.S. Senator and future President John Fitzgerald Kennedy marries Jacqueline Lee Bouvier at St. Mary's Church in Newport, Rhode Island.
Day of death April 25, 1988
The temperature on April 25, 1988 was between -0.8 °C and 10.0 °C and averaged 5.0 °C. There was 12.2 hours of sunshine (84%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 4 » Governor Evan Mecham of Arizona is convicted in his impeachment trial and removed from office.
June 4 » Three cars on a train carrying hexogen to Kazakhstan explode in Arzamas, Gorky Oblast, USSR, killing 91 and injuring about 1,500.
August 8 » The first night baseball game in the history of Chicago's Wrigley Field (game was rained out in the fourth inning).
August 10 » Japanese American internment: U.S. President Ronald Reagan signs the Civil Liberties Act of 1988, providing $20,000 payments to Japanese Americans who were either interned in or relocated by the United States during World War II.
September 29 » NASA launches STS-26, the first mission since the Challenger disaster.
December 9 » The Michael Hughes Bridge in Sligo, Ireland, is officially opened.
When copying data from this family tree, please include a reference to the origin: J. Ham, "Family tree Ham", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ham/I16080.php : accessed February 5, 2026), "Harm Martinus Slagter (1923-1988)".
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.