The temperature on August 14, 1911 was between 14.7 °C and 26.2 °C and averaged 20.6 °C. There was 12.6 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of marriage January 28, 1935
The temperature on January 28, 1935 was between -3.2 °C and 1.2 °C and averaged -1.1 °C. There was 6.3 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 26 » Adolf Hitler orders the Luftwaffe to be re-formed, violating the provisions of the Treaty of Versailles.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
August 14 » Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired.
September 30 » The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
October 10 » In Greece, a coup d'état ends the Second Hellenic Republic.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
Day of death February 22, 1939
The temperature on February 22, 1939 was between -2.3 °C and 5.6 °C and averaged 1.5 °C. There was 0.2 mm of rain. There was 4.6 hours of sunshine (44%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
When copying data from this family tree, please include a reference to the origin: M.I.F. Forger, "Family tree Familie Deeleman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-deeleman/I221.php : accessed February 26, 2026), "Petrus Maria Cornelis Deeleman (1911-1939)".
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