The temperature on April 12, 1880 was about 11.1 °C. The air pressure was 2 kgf/m2 and came mainly from the east-northeast. The airpressure was 76 cm mercury. The atmospheric humidity was 56%. Source: KNMI
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.
January 27 » Thomas Edison receives a patent for his incandescent lamp.
May 13 » In Menlo Park, New Jersey, Thomas Edison performs the first test of his electric railway.
June 24 » First performance of O Canada at the Congrès national des Canadiens-Français. The song would later become the national anthem of Canada.
August 14 » Construction of Cologne Cathedral, the most famous landmark in Cologne, Germany, is completed.
September 1 » The army of Mohammad Ayub Khan is routed by the British at the Battle of Kandahar, ending the Second Anglo-Afghan War.
September 16 » The Cornell Daily Sun prints its first issue in Ithaca, New York. The Sun is the United States' oldest, continuously-independent college daily.
Day of marriage September 13, 1904
The temperature on September 13, 1904 was between 9.1 °C and 16.0 °C and averaged 13.4 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
June 15 » A fire aboard the steamboat SSGeneral Slocum in New York City's East River kills 1,000.
July 31 » Russo-Japanese War: Battle of Hsimucheng: Units of the Imperial Japanese Army defeat units of the Imperial Russian Army in a strategic confrontation.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
December 3 » The Jovian moon Himalia is discovered by Charles Dillon Perrine at California's Lick Observatory.
Day of death April 14, 1961
The temperature on April 14, 1961 was between 5.3 °C and 15.5 °C and averaged 11.6 °C. There was 1.6 mm of rain during 1.0 hours. There was 3.7 hours of sunshine (27%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
February 4 » The Angolan War of Independence and the greater Portuguese Colonial War begin.
April 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
August 11 » The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I17147.php : accessed January 21, 2026), "Adriaan Wilhelm Adelaar (1880-1961)".
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