The temperature on July 20, 1917 was between 10.0 °C and 20.3 °C and averaged 15.8 °C. There was 13.6 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 8 » The United States Senate votes to limit filibusters by adopting the cloture rule.
July 28 » The Silent Parade took place in New York City, in protest to murders, lynchings, and other violence directed towards African Americans.
August 28 » Ten Suffragettes are arrested while picketing the White House.
August 30 » Vietnamese prison guards led by Trịnh Văn Cấn mutiny at the Thái Nguyên penitentiary against local French authority.
November 7 » World War I: Third Battle of Gaza ends: British forces capture Gaza from the Ottoman Empire.
November 24 » In Milwaukee, nine members of the Milwaukee Police Department are killed by a bomb, the most deaths in a single event in U.S. police history until the September 11 attacks in 2001.
Day of death June 20, 1973
The temperature on June 20, 1973 was between 15.1 °C and 26.1 °C and averaged 18.7 °C. There was -0.1 mm of rain. There was 7.5 hours of sunshine (45%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
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.
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
March 29 » Operation Barrel Roll, a covert American bombing campaign in Laos to stop communist infiltration of South Vietnam, ends.
April 1 » Project Tiger, a tiger conservation project, is launched in the Jim Corbett National Park, India.
April 28 » The Dark Side of the Moon by Pink Floyd, recorded in Abbey Road Studios goes to number one on the US Billboard chart, beginning a record-breaking 741-week chart run.
August 8 » Kim Dae-jung, a South Korean politician and later president of South Korea, is kidnapped.
September 20 » Singer Jim Croce, songwiter and musician Maury Muehleisen and four others die when their light aircraft crashes on takeoff at Natchitoches Regional Airport in Louisiana.
November 14 » In the United Kingdom, Princess Anne marries Captain Mark Phillips, in Westminster Abbey.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I21226.php : accessed February 3, 2026), "Dirk Jacobus de Beer (1917-1973)".
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.