February 7 » A Chinese immigrant in San Francisco falls ill to bubonic plague in the first plague epidemic in the continental United States.
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
April 14 » The Exposition Universelle begins.
July 9 » The Federation of Australia is given royal assent.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage August 25, 1925
The temperature on August 25, 1925 was between 14.3 °C and 19.2 °C and averaged 16.1 °C. There was 13.1 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
January 3 » Benito Mussolini announces he is taking dictatorial powers over Italy.
January 5 » Nellie Tayloe Ross of Wyoming becomes the first female governor in the United States.
May 14 » Virginia Woolf's novel Mrs Dalloway is published.
May 30 » May Thirtieth Movement: Shanghai Municipal Police Force shoot and kill 13 protesting workers.
September 8 » Rif War: Spanish forces including troops from the Foreign Legion under Colonel Francisco Franco landing at Al Hoceima, Morocco.
October 30 » John Logie Baird creates Britain's first television transmitter.
Day of death December 19, 1967
The temperature on December 19, 1967 was between -2.7 °C and 5.1 °C and averaged 0.5 °C. There was 2.4 mm of rain during 3.6 hours. There was 3.0 hours of sunshine (39%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: W. Rovers, "Family tree Ro(o)vers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_rovers/I22862.php : accessed January 23, 2026), "Johannes Leonardus "Jan" Roovers (1900-1967)".
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