The temperature on September 24, 1870 was about 17.8 °C. The air pressure was 4 kgf/m2 and came mainly from the south east. The airpressure was 77 cm mercury. The atmospheric humidity was 56%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 6 » The inauguration of the Musikverein in Vienna, Austria.
July 18 » The First Vatican Council decrees the dogma of papal infallibility.
August 2 » Tower Subway, the world's first underground tube railway, opens in London, England, United Kingdom.
September 2 » Franco-Prussian War: Battle of Sedan: Prussian forces take Napoleon III of France and 100,000 of his soldiers prisoner.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
Day of death February 20, 1936
The temperature on February 20, 1936 was between -0.5 °C and 9.2 °C and averaged 5.3 °C. There was 0.1 mm of rain during 0.5 hours. There was 7.5 hours of sunshine (73%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 29 » The first inductees into the Baseball Hall of Fame are announced.
March 5 » First flight of K5054, the first prototype Supermarine Spitfire advanced monoplane fighter aircraft in the United Kingdom.
April 15 » First day of the Arab revolt in Mandatory Palestine.
May 21 » Sada Abe is arrested after wandering the streets of Tokyo for days with her dead lover's severed genitals in her handbag. Her story soon becomes one of Japan's most notorious scandals.
July 20 » The Montreux Convention is signed in Switzerland, authorizing Turkey to fortify the Dardanelles and Bosphorus but guaranteeing free passage to ships of all nations in peacetime.
August 31 » Radio Prague, now the official international broadcasting station of the Czech Republic, goes on the air.
When copying data from this family tree, please include a reference to the origin: Hans Dunning, "Family tree Dunning", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dunning/R9946.php : accessed January 21, 2026), "Wilte Wiltozn. de Groot (1870-1936)".
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.