The temperature on June 12, 1894 was about 11.9 °C. There was 3 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 87%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
January 7 » Thomas Edison makes a kinetoscopic film of someone sneezing. On the same day, his employee, William Kennedy Dickson, receives a patent for motion picture film.
March 16 » Jules Massenet's opera Thaïs is first performed.
May 11 » Four thousand Pullman Palace Car Company workers go on a wildcat strike.
May 21 » The Manchester Ship Canal in the United Kingdom is officially opened by Queen Victoria, who later knights its designer Sir Edward Leader Williams.
July 22 » The first ever motor race is held in France between the cities of Paris and Rouen. The fastest finisher was the Comte Jules-Albert de Dion, but the 'official' victory was awarded to Albert Lemaître driving his 3hp petrol engined Peugeot.
November 1 » Nicholas II becomes the new (and last) Tsar of Russia after his father, Alexander III, dies.
Day of marriage May 24, 1922
The temperature on May 24, 1922 was between 15.6 °C and 32.8 °C and averaged 24.5 °C. There was 13.2 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 28 » Knickerbocker Storm, Washington D.C.'s biggest snowfall, causes the city's greatest loss of life when the roof of the Knickerbocker Theatre collapses.
March 10 » Mahatma Gandhi is arrested in India, tried for sedition, and sentenced to six years in prison, only to be released after nearly two years for an appendicitis operation.
May 10 » The United States annexes the Kingman Reef.
August 22 » Michael Collins, Commander-in-chief of the Irish Free State Army, is shot dead in an ambush during the Irish Civil War.
October 18 » The British Broadcasting Company (later Corporation) is founded by a consortium, to establish a nationwide network of radio transmitters to provide a national broadcasting service.
October 28 » Italian fascists led by Benito Mussolini march on Rome and take over the Italian government.
Day of death May 29, 1968
The temperature on May 29, 1968 was between 11.4 °C and 17.6 °C and averaged 14.6 °C. There was 1.0 hours of sunshine (6%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
March 31 » American President Lyndon B. Johnson speaks to the nation of "Steps to Limit the War in Vietnam" in a television address. At the conclusion of his speech, he announces: "I shall not seek, and I will not accept, the nomination of my party for another term as your President."
April 6 » Pierre Elliott Trudeau wins the Liberal Leadership Election, and becomes Prime Minister of Canada soon after.
April 23 » Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
June 11 » Lloyd J. Old identified the first cell surface antigens that could differentiate among different cell types.
July 1 » Formal separation of the United Auto Workers from the AFL–CIO in the United States.
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: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I101418.php : accessed October 9, 2026), "Roelf Pot (1894-1968)".
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.