The temperature on May 20, 1913 was between 1.6 °C and 15.5 °C and averaged 10.5 °C. There was 7.0 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
February 3 » The Sixteenth Amendment to the United States Constitution is ratified, authorizing the Federal government to impose and collect an income tax.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
June 23 » Second Balkan War: The Greeks defeat the Bulgarians in the Battle of Doiran.
July 4 » President Woodrow Wilson addresses American Civil War veterans at the Great Reunion of 1913.
August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.
Day of marriage June 5, 1937
The temperature on June 5, 1937 was between 11.3 °C and 23.6 °C and averaged 17.5 °C. There was 13.2 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 9 » The Kamikaze arrives at Croydon Airport in London. It is the first Japanese-built aircraft to fly to Europe.
May 27 » In California, the Golden Gate Bridge opens to pedestrian traffic, creating a vital link between San Francisco and Marin County, California.
June 14 » Pennsylvania becomes the first (and only) state of the United States to celebrate Flag Day officially as a state holiday.
June 15 » A German expedition led by Karl Wien loses sixteen members in an avalanche on Nanga Parbat. It is the worst single disaster to occur on an 8000m peak.
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
August 2 » The Marihuana Tax Act of 1937 is passed in America, the effect of which is to render marijuana and all its by-products illegal.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I66508.php : accessed February 27, 2026), "Kornelia Klaassina Velthuis (1913-)".
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