The temperature on July 15, 1912 was between 14.9 °C and 27.4 °C and averaged 21.6 °C. There was 12.1 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 6 » New Mexico is admitted to the Union as the 47th U.S. state.
January 23 » The International Opium Convention is signed at The Hague.
September 28 » Corporal Frank S. Scott of the United States Army becomes the first enlisted man to die in an airplane crash.
October 19 » Italo-Turkish War: Italy takes possession of what is now Libya from the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kirk Kilisse concludes with a Bulgarian victory against the Ottoman Empire.
December 16 » First Balkan War: The Royal Hellenic Navy defeats the Ottoman Navy at the Battle of Elli.
Day of death July 18, 1964
The temperature on July 18, 1964 was between 17.2 °C and 31.7 °C and averaged 23.7 °C. There was 7.1 mm of rain during 1.4 hours. There was 9.1 hours of sunshine (56%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
March 14 » Jack Ruby is convicted of killing Lee Harvey Oswald, the assumed assassin of John F. Kennedy.
August 27 » South Vietnamese junta leader Nguyễn Khánh enters into a triumvirate power-sharing arrangement with rival generals Trần Thiện Khiêm and Dương Văn Minh, who had both been involved in plots to unseat Khánh.
September 13 » Martin Luther King Jr. addresses a crowd of 20,000 West Berliners on Sunday, in Waldbühne.
September 27 » The British TSR-2 aircraft XR219 makes its maiden flight.
October 14 » Martin Luther King Jr. received the Nobel Peace Prize for combating racial inequality through nonviolence.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I5428.php : accessed February 16, 2026), "Bertha Dijkslag (1912-1964)".
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