The temperature on May 12, 1891 was about 17.7 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 81%. Source: KNMI
In The Netherlands , there was from April 21, 1888 to August 21, 1891 the cabinet Mackay, with Mr. A. baron Mackay (AR) as prime minister.
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.
April 1 » The Wrigley Company is founded in Chicago, Illinois.
May 5 » The Music Hall in New York City (later known as Carnegie Hall) has its grand opening and first public performance, with Tchaikovsky as the guest conductor.
July 26 » France annexes Tahiti.
August 16 » The Basilica of San Sebastian, Manila, the first all-steel church in Asia, is officially inaugurated and blessed.
August 24 » Thomas Edison patents the motion picture camera.
October 1 » Stanford University opens its doors in California, United States.
Day of marriage May 6, 1920
The temperature on May 6, 1920 was between 7.7 °C and 14.3 °C and averaged 10.5 °C. There was 3.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
February 13 » The Negro National League is formed.
March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
July 20 » The Greek Army takes control of Silivri after Greece is awarded the city by the Paris Peace Conference; by 1923 Greece effectively lost control to the Turks.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
August 31 » Polish–Soviet War: A decisive Polish victory in the Battle of Komarów.
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The Family tree Mark de Jong publication was prepared by M. de Jong (contact is not possible).
When copying data from this family tree, please include a reference to the origin: M. de Jong, "Family tree Mark de Jong", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mark-de-jong/I99.php : accessed January 30, 2026), "Petronella Jeannette Dekker (1891-????)".
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