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 11 » Seven people are killed in the Mussel Slough Tragedy, a gun battle in California.
June 7 » War of the Pacific: The Battle of Arica, the assault and capture of Morro de Arica (Arica Cape), ends the Campaña del Desierto (Desert Campaign).
June 28 » Australian bushranger Ned Kelly is captured at Glenrowan.
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.
December 16 » Outbreak of the First Boer War between the Boer South African Republic and the British Empire.
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.
January 23 » Ålesund Fire: the Norwegian coastal town Ålesund is devastated by fire, leaving 10,000 people homeless and one person dead. Kaiser Wilhelm II funds the rebuilding of the town in Jugendstil style.
April 8 » Longacre Square in Midtown Manhattan is renamed Times Square after The New York Times.
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
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
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 16, 2026), "Adriaan Wilhelm Adelaar (1880-1961)".
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