The temperature on February 16, 1912 was between 2.8 °C and 8.1 °C and averaged 5.6 °C. There was 0.2 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 8 » The African National Congress is founded, under the name South African Native National Congress (SANNC).
February 12 » The Xuantong Emperor, the last Emperor of China, abdicates.
February 14 » The U.S. Navy commissions its first class of diesel-powered submarines.
May 4 » Italy occupies the Greek island of Rhodes.
October 7 » The Helsinki Stock Exchange sees its first transaction.
November 2 » Bulgaria defeats the Ottoman Empire in the Battle of Lule Burgas, the bloodiest battle of the First Balkan War, which opens her way to Constantinople.
Day of death October 5, 1968
The temperature on October 5, 1968 was between 10.6 °C and 18.1 °C and averaged 15.2 °C. There was 0.9 mm of rain during 1.6 hours. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
July 17 » Abdul Rahman Arif is overthrown and the Ba'ath Party is installed as the governing power in Iraq with Ahmed Hassan al-Bakr as the new Iraqi President.
October 12 » Equatorial Guinea becomes independent from Spain.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
December 11 » The Rolling Stones Rock and Roll Circus, featuring the Rolling Stones, Jethro Tull, the Who, Taj Mahal, Marianne Faithfull, and the Dirty Mac with Yoko Ono, is filmed in Wembley, London.
December 13 » Brazilian President Artur da Costa e Silva issues AI-5 (Institutional Act No. 5), enabling government by decree and suspending habeas corpus.
December 31 » The first flight of the Tupolev Tu-144, the first civilian supersonic transport in the world.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I167608.php : accessed October 14, 2026), "Sytze de Jong (1912-1968)".
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