The temperature on November 19, 1870 was about 3.9 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. 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.
May 12 » The Manitoba Act is given the Royal Assent, paving the way for Manitoba to become a province of Canada on July 15.
June 26 » The Christian holiday of Christmas is declared a federal holiday in the United States.
July 1 » The United States Department of Justice formally comes into existence.
July 19 » Franco-Prussian War: France declares war on Prussia.
September 1 » Franco-Prussian War: The Battle of Sedan is fought, resulting in a decisive Prussian victory.
Day of marriage May 18, 1895
The temperature on May 18, 1895 was about 7.5 °C. There was 0.2 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 94%. Source: KNMI
January 12 » The National Trust is founded in the United Kingdom.
February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
March 15 » Heian Shrine is founded.
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
November 27 » At the Swedish–Norwegian Club in Paris, Alfred Nobel signs his last will and testament, setting aside his estate to establish the Nobel Prize after he dies.
Day of death January 15, 1939
The temperature on January 15, 1939 was between 6.2 °C and 11.9 °C and averaged 10.2 °C. There was 11.1 mm of rain during 5.8 hours. There was 2.2 hours of sunshine (27%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
March 30 » The Heinkel He 100 fighter sets a world airspeed record of 463mph (745km/h).
April 30 » NBC inaugurates its regularly scheduled television service in New York City, broadcasting President Franklin D. Roosevelt's N.Y. World's Fair opening day ceremonial address.
June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
August 25 » The United Kingdom and Poland form a military alliance in which the UK promises to defend Poland in case of invasion by a foreign power.
September 3 » World War II: The United Kingdom and France begin a naval blockade of Germany that lasts until the end of the war. This also marks the beginning of the Battle of the Atlantic.
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The Family tree Jonker publication was prepared by Hendrik Willem Jonker (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Hendrik Willem Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-jonker/I916.php : accessed February 15, 2026), "Jan Deen (1870-1939)".
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