April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
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.
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 marriage August 15, 1917
The temperature on August 15, 1917 was between 13.1 °C and 20.2 °C and averaged 15.6 °C. There was 0.5 mm of rain. There was 6.8 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
May 26 » Several powerful tornadoes rip through Illinois, including the city of Mattoon.
June 28 » World War I: Greece joins the Allied powers.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
September 14 » The Russian Empire is formally replaced by the Russian Republic.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
November 8 » The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
Day of death December 6, 1944
The temperature on December 6, 1944 was between 0.8 °C and 6.2 °C and averaged 3.4 °C. There was 1.9 mm of rain during 1.7 hours. There was 2.5 hours of sunshine (31%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 10 » Rudolf Vrba and Alfréd Wetzler escape from Birkenau death camp.
June 17 » Iceland declares independence from Denmark and becomes a republic.
July 25 » World War II: Operation Spring is one of the bloodiest days for the First Canadian Army during the war.
October 5 » The Provisional Government of the French Republic enfranchises women.
October 25 » Second World War: Heinrich Himmler orders a crackdown on the Edelweiss Pirates, a loosely organized youth culture in Nazi Germany that had assisted army deserters and others to hide from the Third Reich.
October 29 » World War II: The Soviet Red Army enters Hungary.
When copying data from this family tree, please include a reference to the origin: R.A.Hemerik, "Descendants Hemerik-Broekhuizen-Huner-Koper-Barink", database, Genealogy Online (https://www.genealogieonline.nl/parenteel-hemerik/I10081.php : accessed February 17, 2026), "Jan Boom (1897-1944)".
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