Erfgoed Leiden eo: Overlijden 1944, archiefnummer 1005, Plaatsingslijst van het archief van de ambtenaar van de burgerlijke stand Leiden, 1929-1993, inventarisnummer 132, aktenummer 946
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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
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.
Day of marriage August 1, 1921
The temperature on August 1, 1921 was between 12.3 °C and 25.6 °C and averaged 19.7 °C. There was 11.3 hours of sunshine (73%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
June 20 » Workers of Buckingham and Carnatic Mills in the city of Chennai, India, begin a four-month strike.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
July 23 » The Communist Party of China (CPC) is established at the founding National Congress.
Day of death September 10, 1944
The temperature on September 10, 1944 was between 4.5 °C and 16.4 °C and averaged 10.3 °C. There was 1.3 mm of rain during 0.9 hours. There was 7.5 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. 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 5 » World War II: Two hundred seventy inhabitants of the Greek town of Kleisoura are executed by the Germans.
July 20 » World War II: Adolf Hitler survives an assassination attempt led by German Army Colonel Claus von Stauffenberg.
July 26 » World War II: The Red Army enters Lviv, a major city in western Ukraine, capturing it from the Nazis. Only 300 Jews survive out of 160,000 living in Lviv prior to occupation.
August 9 » The United States Forest Service and the Wartime Advertising Council release posters featuring Smokey Bear for the first time.
August 12 » Nazi German troops end the week-long Wola massacre, during which time at least 40,000 people are killed indiscriminately or in mass executions.
October 8 » World War II: Captain Bobbie Brown earns a Medal of Honor for his actions during the Battle of Crucifix Hill, just outside Aachen.
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/I112504.php : accessed March 13, 2026), "Hendrikus Vinkestijn (1897-1944)".
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