The temperature on November 20, 1911 was between 2.9 °C and 7.9 °C and averaged 5.7 °C. There was 6.6 mm of rain. There was 1.8 hours of sunshine (21%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
September 29 » Italy declares war on the Ottoman Empire.
Day of marriage August 17, 1938
The temperature on August 17, 1938 was between 13.1 °C and 18.5 °C and averaged 15.5 °C. There was 0.8 mm of rain during 0.4 hours. There was 2.3 hours of sunshine (16%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
April 25 » U.S. Supreme Court delivers its opinion in Erie Railroad Co. v. Tompkins and overturns a century of federal common law.
June 7 » The Douglas DC-4E makes its first test flight.
June 25 » Dr. Douglas Hyde is inaugurated as the first President of Ireland.
September 12 » Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
September 23 » The Czechoslovak army is mobilized in response to the Munich Agreement.
October 1 » Germany annexes the Sudetenland.
Day of death September 24, 1950
The temperature on September 24, 1950 was between 9.8 °C and 13.9 °C and averaged 12.2 °C. There was 8.2 mm of rain during 11.9 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 17 » The Great Brink's Robbery: Eleven thieves steal more than $2 million from an armored car company's offices in Boston.
June 29 » Korean War: U.S. President Harry S. Truman authorizes a sea blockade of Korea.
August 29 » Korean War: British troops arrive in Korea to bolster the US presence there.
October 7 » Mother Teresa establishes the Missionaries of Charity.
October 19 » Iran becomes the first country to accept technical assistance from the United States under the Point Four Program.
December 9 » Cold War: Harry Gold is sentenced to 30 years in jail for helping Klaus Fuchs pass information about the Manhattan Project to the Soviet Union. His testimony is later instrumental in the prosecution of Julius and Ethel Rosenberg.
When copying data from this family tree, please include a reference to the origin: M. Pelt-Suurmond, "Descendants Eberson", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-eberson/I286.php : accessed March 8, 2026), "Leonardus Hubertus van Dam (1911-1950)".
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