In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
March 4 » Britain's first electric trams run in east London.
March 24 » Robert Koch announces the discovery of Mycobacterium tuberculosis, the bacterium responsible for tuberculosis.
April 25 » French and Vietnamese troops clashed in Tonkin, when Commandant Henri Rivière seized the citadel of Hanoi with a small force of marine infantry.
August 20 » Tchaikovsky's 1812 Overture debuts in Moscow, Russia.
September 18 » The Pacific Stock Exchange opens.
September 30 » Thomas Edison's first commercial hydroelectric power plant (later known as Appleton Edison Light Company) begins operation.
Day of marriage August 15, 1914
The temperature on August 15, 1914 was between 11.2 °C and 20.1 °C and averaged 15.2 °C. There was 1.7 mm of rain. There was 2.1 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 7 » Prince William of Wied arrives in Albania to begin his reign as King.
August 15 » World War I: The First Russian Army, led by Paul von Rennenkampf, enters East Prussia.
August 29 » World War I: Start of the Battle of St. Quentin in which the French Fifth Army counter-attacked the invading Germans at Saint-Quentin, Aisne.
September 3 » French composer Albéric Magnard is killed defending his estate against invading German soldiers.
September 11 » World War I: Australia invades German New Guinea, defeating a German contingent at the Battle of Bita Paka.
November 16 » The Federal Reserve Bank of the United States officially opens.
Day of death July 15, 1969
The temperature on July 15, 1969 was between 12.0 °C and 26.8 °C and averaged 20.2 °C. There was 14.7 hours of sunshine (90%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 30 » The Beatles' last public performance, on the roof of Apple Records in London. The impromptu concert is broken up by the police.
April 3 » Vietnam War: United States Secretary of Defense Melvin Laird announces that the United States will start to "Vietnamize" the war effort.
June 23 » IBM announces that effective January 1970 it will price its software and services separately from hardware thus creating the modern software industry.
September 1 » Trần Thiện Khiêm becomes Prime Minister of South Vietnam under President Nguyễn Văn Thiệu.
October 9 » In Chicago, the National Guard is called in as demonstrations continue over the trial of the "Chicago Eight".
November 15 » Vietnam War: In Washington, D.C., 250,000-500,000 protesters staged a peaceful demonstration against the war, including a symbolic "March Against Death".
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/I78996.php : accessed December 28, 2025), "Lijsbert Bosgraaf (1882-1969)".
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