The temperature on June 4, 1913 was between 12.0 °C and 24.6 °C and averaged 17.5 °C. There was 9.7 mm of rain. There was 3.0 hours of sunshine (18%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 4 » First Balkan War: The Greek army engages the Turks at Bizani, resulting in victory two days later.
March 20 » Sung Chiao-jen, a founder of the Chinese Nationalist Party, is wounded in an assassination attempt and dies 2 days later.
July 3 » Confederate veterans at the Great Reunion of 1913 reenact Pickett's Charge; upon reaching the high-water mark of the Confederacy they are met by the outstretched hands of friendship from Union survivors.
August 13 » First production in the UK of stainless steel by Harry Brearley.
December 1 » Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.
December 1 » Ford Motor Company introduces the first moving assembly line.
Day of marriage May 20, 1942
The temperature on May 20, 1942 was between 6.4 °C and 20.1 °C and averaged 14.4 °C. There was 1.2 mm of rain during 1.4 hours. There was 8.6 hours of sunshine (54%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 10 » World War II: Imperial Japanese Army capture Banjarmasin, capital of Borneo in Dutch East Indies.
February 24 » An order-in-council passed under the Defence of Canada Regulations of the War Measures Act gives the Canadian federal government the power to intern all "persons of Japanese racial origin".
March 9 » World War II: Dutch East Indies unconditionally surrendered to the Japanese forces in Kalijati, Subang, West Java, and the Japanese completed their Dutch East Indies campaign.
October 9 » Australia's Statute of Westminster Adoption Act 1942 receives royal assent.
November 4 » World War II: Disobeying a direct order by Adolf Hitler, General Field Marshal Erwin Rommel begins a retreat of his forces after a costly defeat during the Second Battle of El Alamein. The retreat would ultimately last five months.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
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/I22722.php : accessed February 23, 2026), "Johannes Roovers (1913-1997)".
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