The temperature on November 6, 1909 was between 0.2 °C and 8.4 °C and averaged 5.7 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 28 » United States troops leave Cuba with the exception of Guantanamo Bay Naval Base after being there since the Spanish–American War.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
April 18 » Joan of Arc is beatified in Rome.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
Day of marriage June 28, 1930
The temperature on June 28, 1930 was between 9.6 °C and 20.5 °C and averaged 15.5 °C. There was 9.2 hours of sunshine (55%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 10 » The Việt Nam Quốc Dân Đảng launches the failed Yên Bái mutiny in hope to overthrow French protectorate over Vietnam.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
April 6 » At the end of the Salt March, Gandhi raises a lump of mud and salt and declares, "With this, I am shaking the foundations of the British Empire."
May 1 » "Pluto" is officially proposed for the name of the newly-discovered dwarf planet Pluto by Vesto Slipher in the Lowell Observatory Observation Circular. The name quickly catches on.
October 3 » The German Socialist Labour Party in Poland – Left is founded.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I28591.php : accessed September 23, 2026), "Joanna Maria Genoveva Coppens (1909-1956)".
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.