The temperature on July 30, 1909 was between 11.8 °C and 16.9 °C and averaged 14.1 °C. There was 15.0 mm of rain. There was 1.7 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 26 » Kinemacolor, the first successful color motion picture process, is first shown to the general public at the Palace Theatre in London.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
April 18 » Joan of Arc is beatified in Rome.
April 27 » Sultan of Ottoman Empire Abdul Hamid II is overthrown, and is succeeded by his brother, Mehmed V.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
Day of marriage September 28, 1939
The temperature on September 28, 1939 was between -1.0 °C and 15.9 °C and averaged 7.7 °C. There was 6.8 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north. 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.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
August 27 » First flight of the turbojet-powered Heinkel He 178, the world's first jet aircraft.
September 1 » Adolf Hitler signs an order to begin the systematic euthanasia of mentally ill and disabled people.
September 4 » World War II: William J. Murphy commands the first Royal Air Force attack on Germany.
September 6 » World War II: Britain suffers its first fighter pilot casualty of the Second World War at the Battle of Barking Creek as a result of friendly fire.
December 27 » Winter War: Finland holds off a Soviet attack in the Battle of Kelja.
Day of death October 4, 1972
The temperature on October 4, 1972 was between 1.5 °C and 13.7 °C and averaged 7.4 °C. There was 10.0 hours of sunshine (87%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
February 28 » China–United States relations: The United States and China sign the Shanghai Communiqué.
March 3 » Mohawk Airlines Flight 405 crashes as a result of a control malfunction and insufficient training in emergency procedures.
March 20 » The Troubles: The first Provisional IRA car bombing in Belfast kills seven people and injures 148 others in Northern Ireland.
April 13 » The Universal Postal Union decides to recognize the People's Republic of China as the only legitimate Chinese representative, effectively expelling the Republic of China administering Taiwan.
May 30 » The Angry Brigade goes on trial over a series of 25 bombings throughout the United Kingdom.
October 13 » Uruguayan Air Force Flight 571 crashes in the Andes mountains. 28 survive the crash. All but 16 succumb before rescue on December 23.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I42485.php : accessed March 16, 2026), "Jan Jacob Sondaar (1909-1972)".
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