February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
June 11 » Paris–Bordeaux–Paris, sometimes called the first automobile race in history or the "first motor race", takes place.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage September 7, 1921
The temperature on September 7, 1921 was between 5.5 °C and 26.8 °C and averaged 16.5 °C. There was 11.4 hours of sunshine (86%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. 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.
March 1 » The Australian cricket team captained by Warwick Armstrong becomes the first team to complete a whitewash of The Ashes, something that would not be repeated for 86 years.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
May 19 » The United States Congress passes the Emergency Quota Act establishing national quotas on immigration.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
October 19 » The Portuguese Prime Minister and several officials are murdered in the Bloody Night coup.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
When copying data from this family tree, please include a reference to the origin: Roeli de Vos, "Family tree Van der Knaap Rozenburg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-der-knaap-rozenburg/I104.php : accessed June 24, 2024), "Lijntje van den Boogaard (1895-????)".
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