The temperature on June 16, 1875 was about 19.6 °C. The air pressure was 13 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 49%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
January 5 » The Palais Garnier, one of the most famous opera houses in the world, is inaugurated in Paris.
February 25 » Guangxu Emperor of Qing dynasty China begins his reign, under Empress Dowager Cixi's regency.
March 3 » The first ever organized indoor game of ice hockey is played in Montreal, Quebec, Canada as recorded in the Montreal Gazette.
May 1 » Alexandra Palace reopens after being burned down in a fire in 1873.
June 19 » The Herzegovinian rebellion against the Ottoman Empire begins.
August 25 » Captain Matthew Webb becomes the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 21 hours and 45 minutes.
Day of marriage May 1, 1897
The temperature on May 1, 1897 was about 10.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 82%. Source: KNMI
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death August 15, 1923
The temperature on August 15, 1923 was between 8.8 °C and 16.4 °C and averaged 14.3 °C. There was 15.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 16 » Howard Carter unseals the burial chamber of Pharaoh Tutankhamun.
June 9 » Bulgaria's military takes over the government in a coup.
July 24 » The Treaty of Lausanne, settling the boundaries of modern Turkey, is signed in Switzerland by Greece, Bulgaria and other countries that fought in World War I.
September 12 » Southern Rhodesia, today called Zimbabwe, is annexed by the United Kingdom.
September 13 » Following a military coup in Spain, Miguel Primo de Rivera takes over, setting up a dictatorship.
October 15 » The German Rentenmark is introduced in Germany to counter hyperinflation in the Weimar Republic.
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/I47251.php : accessed October 7, 2026), "Koert Boomsma (1875-1923)".
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