February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
April 14 » The Exposition Universelle begins.
July 2 » Jean Sibelius' Finlandia receives its première performance in Helsinki with the Helsinki Philharmonic Society conducted by Robert Kajanus.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of marriage March 15, 1935
The temperature on March 15, 1935 was between -1.8 °C and 13.3 °C and averaged 4.9 °C. There was 8.6 hours of sunshine (73%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
May 6 » New Deal: Under the authority of the newly-enacted Federal Emergency Relief Administration, President Franklin D. Roosevelt issues Executive Order 7034 to create the Works Progress Administration.
June 25 » Colombia–Soviet Union relations are established.
July 1 » Regina, Saskatchewan police and Royal Canadian Mounted Police ambush strikers participating in the On-to-Ottawa Trek.
July 28 » First flight of the Boeing B-17 Flying Fortress.
November 24 » The Senegalese Socialist Party holds its second congress.
December 9 » The Downtown Athletic Club Trophy, later renamed the Heisman Trophy, is awarded for the first time. The winner is halfback Jay Berwanger of the University of Chicago.
Day of death July 23, 1980
The temperature on July 23, 1980 was between 9.9 °C and 23.5 °C and averaged 17.4 °C. There was 13.0 hours of sunshine (81%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south east. 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.
February 26 » Egypt and Israel establish full diplomatic relations.
May 18 » Students in Gwangju, South Korea begin demonstrations calling for democratic reforms.
June 3 » An explosive device is detonated at the Statue of Liberty. The FBI suspects Croatian nationalists.
July 23 » Phạm Tuân becomes the first Vietnamese citizen and the first Asian in space when he flies aboard the Soyuz 37 mission as an Intercosmos Research Cosmonaut.
September 17 » After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established.
September 17 » Former Nicaraguan President Anastasio Somoza Debayle is killed in Asunción, Paraguay.
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/I81517.php : accessed October 14, 2026), "Durk Oostra (1900-1980)".
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