March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
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 November 19, 1921
The temperature on November 19, 1921 was between 0.3 °C and 3.5 °C and averaged 2.6 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. 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 9 » Greco-Turkish War: The First Battle of İnönü, the first battle of the war, begins near Eskişehir in Anatolia.
February 21 » Constituent Assembly of the Democratic Republic of Georgia adopts the country's first constitution.
April 11 » Emir Abdullah establishes the first centralised government in the newly created British protectorate of Transjordan.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
Day of death February 11, 1971
The temperature on February 11, 1971 was between -2.2 °C and 6.7 °C and averaged 2.1 °C. There was 0.1 mm of rain. There was 4.7 hours of sunshine (49%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 12 » The Harrisburg Seven: Rev. Philip Berrigan and five other activists are indicted on charges of conspiring to kidnap Henry Kissinger and of plotting to blow up the heating tunnels of federal buildings in Washington, D.C.
February 26 » U.N. Secretary-General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.
April 19 » Sierra Leone becomes a republic, and Siaka Stevens the president.
May 3 » Erich Honecker becomes First Secretary of the Socialist Unity Party of Germany, remaining in power until 1989.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I133082.php : accessed October 21, 2026), "Wobbe de Vries (1895-1971)".
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.