The temperature on January 8, 1911 was between -0.8 °C and 3.5 °C and averaged 1.6 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 26 » Glenn Curtiss flies the first successful American seaplane.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
Day of marriage September 15, 1953
The temperature on September 15, 1953 was between 9.4 °C and 21.0 °C and averaged 14.7 °C. There was 10.5 hours of sunshine (82%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the east-southeast. Source: KNMI
March 1 » Soviet Premier Joseph Stalin suffers a stroke and collapses; he dies four days later.
June 9 » The Flint–Worcester tornado outbreak sequence kills 94 people in Massachusetts.
June 19 » Cold War: Julius and Ethel Rosenberg are executed at Sing Sing, in New York.
August 17 » Addiction: First meeting of Narcotics Anonymous takes place, in Southern California.
August 19 » Cold War: The CIA and MI6 help to overthrow the government of Mohammad Mosaddegh in Iran and reinstate the Shah Mohammad Reza Pahlavi.
September 7 » Nikita Khrushchev is elected first secretary of the Communist Party of the Soviet Union.
Day of death July 25, 1994
The temperature on July 25, 1994 was between 18.7 °C and 29.0 °C and averaged 23.6 °C. There was 0.8 mm of rain during 1.3 hours. There was 7.1 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I4878.php : accessed October 8, 2026), "Willem Harmensz VERLOOP (1911-1994)".
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