January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
August 16 » The Battle of Elands River during the Second Boer War ends after a 13-day siege is lifted by the British. The battle had begun when a force of between 2,000 and 3,000 Boers had surrounded a force of 500 Australians, Rhodesians, Canadians and British soldiers at a supply dump at Brakfontein Drift.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of marriage June 6, 1930
The temperature on June 6, 1930 was between 9.8 °C and 24.7 °C and averaged 18.4 °C. There was 14.1 hours of sunshine (85%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 16 » The Romanian Football Federation joins FIFA.
February 18 » Elm Farm Ollie becomes the first cow to fly in a fixed-wing aircraft and also the first cow to be milked in an aircraft.
March 13 » The news of the discovery of Pluto is announced by Lowell Observatory.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
October 5 » British airship R101 crashes in France en route to India on its maiden voyage.
Day of death August 25, 1981
The temperature on August 25, 1981 was between 6.6 °C and 21.9 °C and averaged 15.6 °C. There was 8.6 hours of sunshine (61%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 8 » A local farmer reports a UFO sighting in Trans-en-Provence, France, claimed to be "perhaps the most completely and carefully documented sighting of all time".
January 18 » Phil Smith and Phil Mayfield parachute off a Houston skyscraper, becoming the first two people to BASE jump from objects in all four categories: buildings, antennae, spans (bridges), and earth (cliffs).
March 5 » The ZX81, a pioneering British home computer, is launched by Sinclair Research and would go on to sell over 1⁄2 million units around the world.
April 27 » Xerox PARC introduces the computer mouse.
May 25 » In Riyadh, the Gulf Cooperation Council is created between Bahrain, Kuwait, Oman, Qatar, Saudi Arabia and the United Arab Emirates.
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/I131104.php : accessed October 13, 2026), "Martje Renkema (1900-1981)".
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