The temperature on June 20, 1913 was between 8.3 °C and 17.4 °C and averaged 12.8 °C. There was 8.5 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. 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.
January 3 » An Atlantic coast storm sets the lowest confirmed barometric pressure reading for a non-tropical system in the continental United States.
February 2 » Grand Central Terminal is opened in New York City.
February 19 » Pedro Lascuráin becomes President of Mexico for 45 minutes; this is the shortest term to date of any person as president of any country.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.
Day of marriage May 19, 1938
The temperature on May 19, 1938 was between 3.9 °C and 12.5 °C and averaged 8.4 °C. There was 1.0 mm of rain during 0.7 hours. There was 1.8 hours of sunshine (11%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 18 » Mexico creates Pemex by expropriating all foreign-owned oil reserves and facilities.
June 11 » Second Sino-Japanese War: The Battle of Wuhan starts.
July 10 » Howard Hughes begins a 91-hour airplane flight around the world that will set a new record.
July 20 » The United States Department of Justice files suit in New York City against the motion picture industry charging violations of the Sherman Antitrust Act in regards to the studio system. The case would eventually result in a break-up of the industry in 1948.
July 31 » Bulgaria signs a non-aggression pact with Greece and other states of Balkan Antanti (Turkey, Romania, Yugoslavia).
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I136245.php : accessed September 30, 2026), "Jan van der Boon (1913-)".
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