The temperature on July 29, 1920 was between 9.2 °C and 18.4 °C and averaged 14.0 °C. There was 2.9 mm of rain. There was 4.5 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 8 » The steel strike of 1919 ends in failure for the Amalgamated Association of Iron, Steel and Tin Workers labor union.
April 28 » Azerbaijan is added to the Soviet Union.
August 16 » The congress of the Communist Party of Bukhara opens. The congress would call for armed revolution.
August 18 » The Nineteenth Amendment to the United States Constitution is ratified, guaranteeing women's suffrage.
August 26 » The 19th amendment to United States Constitution takes effect, giving women the right to vote.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
Day of death July 4, 1968
The temperature on July 4, 1968 was between 6.6 °C and 22.0 °C and averaged 15.2 °C. There was 13.1 hours of sunshine (79%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
April 3 » Martin Luther King Jr. delivers his "I've Been to the Mountaintop" speech. He was assassinated the next day.
May 30 » Charles de Gaulle reappears publicly after his flight to Baden-Baden, Germany, and dissolves the French National Assembly by a radio appeal. Immediately after, less than one million of his supporters march on the Champs-Élysées in Paris. This is the turning point of May 1968 events in France.
June 11 » Lloyd J. Old identified the first cell surface antigens that could differentiate among different cell types.
July 23 » Glenville shootout: In Cleveland, Ohio, a violent shootout between a Black Militant organization and the Cleveland Police Department occurs. During the shootout, a riot begins and lasts for five days.
November 1 » The Motion Picture Association of America's film rating system is officially introduced, originating with the ratings G, M, R, and X.
November 22 » The Beatles release The Beatles (known popularly as The White Album).
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I12640.php : accessed October 18, 2026), "Herman van der SLUIS (1920-1968)".
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.