The temperature on January 6, 1882 was about 8.0 °C. The air pressure was 5 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 95%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
July 26 » Premiere of Richard Wagner's opera Parsifal at Bayreuth.
September 5 » The first United States Labor Day parade is held in New York City.
September 5 » Tottenham Hotspur, a Premier League football club from North London, is founded (as Hotspur F.C.).
September 30 » Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation.
October 16 » The Nickel Plate Railroad opens for business.
December 16 » Wales and England contest the first Home Nations (now Six Nations) rugby union match.
Day of marriage April 10, 1923
The temperature on April 10, 1923 was between -3.7 °C and 12.2 °C and averaged 5.3 °C. There was 8.1 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
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.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
June 18 » Checker Taxi puts its first taxi on the streets.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
October 22 » The royalist Leonardopoulos–Gargalidis coup d'état attempt fails in Greece, discrediting the monarchy and paving the way for the establishment of the Second Hellenic Republic.
November 11 » Adolf Hitler was arrested in Munich for high treason for his role in the Beer Hall Putsch.
Day of death April 4, 1966
The temperature on April 4, 1966 was between 4.3 °C and 8.2 °C and averaged 5.7 °C. There was 0.1 mm of rain during 0.1 hours. There was 1.1 hours of sunshine (8%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
April 26 » A new government is formed in the Republic of the Congo, led by Ambroise Noumazalaye.
May 6 » Myra Hindley and Ian Brady are sentenced to life imprisonment for the Moors murders in England.
May 21 » The Ulster Volunteer Force declares war on the Irish Republican Army in Northern Ireland.
June 8 » The National Football League and American Football League announced a merger effective in 1970.
August 16 » Vietnam War: The House Un-American Activities Committee begins investigations of Americans who have aided the Viet Cong. The committee intends to introduce legislation making these activities illegal. Anti-war demonstrators disrupt the meeting and 50 people are arrested.
September 16 » The Metropolitan Opera House opens at Lincoln Center in New York City with the world premiere of Samuel Barber's opera Antony and Cleopatra.
When copying data from this family tree, please include a reference to the origin: Rik Plomp, "Pedigree Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plomp/I3086.php : accessed January 8, 2026), "Roelof Caspar Ponsen (1882-1966)".
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.