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 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
Day of marriage November 6, 1927
The temperature on November 6, 1927 was between 5.2 °C and 9.1 °C and averaged 7.3 °C. There was 19.2 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 23 » U.S. President Calvin Coolidge signs a bill by Congress establishing the Federal Radio Commission (later replaced by the Federal Communications Commission) which was to regulate the use of radio frequencies in the United States.
March 15 » The first Women's Boat Race between the University of Oxford and the University of Cambridge takes place on The Isis in Oxford.
May 9 » Old Parliament House, Canberra officially opens.
July 15 » Massacre of July 15, 1927: Eighty-nine protesters are killed by the Austrian police in Vienna.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
August 23 » Italian anarchists Sacco and Vanzetti are executed after a lengthy, controversial trial.
Day of death December 31, 1943
The temperature on December 31, 1943 was between -0.6 °C and 3.3 °C and averaged 1.1 °C. There was 2.0 mm of rain during 6.2 hours. There was 3.4 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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 16 » Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD. He intentionally takes the drug three days later on April 19.
June 12 » The Holocaust: Germany liquidates the Jewish Ghetto in Brzeżany, Poland (now Berezhany, Ukraine). Around 1,180 Jews are led to the city's old Jewish graveyard and shot.
June 24 » US military police attempt to arrest a black soldier in Bamber Bridge, England, sparking the Battle of Bamber Bridge mutiny that leaves one dead and seven wounded.
August 1 » World War II: Operation Tidal Wave also known as "Black Sunday", was a failed American attempt to destroy Romanian oil fields.
August 28 » Denmark in World War II: German authorities demand that Danish authorities crack down on acts of resistance. The next day, martial law is imposed on Denmark.
December 8 » World War II: The German 117th Jäger Division destroys the monastery of Mega Spilaio in Greece and executes 22 monks and visitors as part of reprisals that culminated a few days later with the Massacre of Kalavryta.
When copying data from this family tree, please include a reference to the origin: Gershon Lehrer, "Family tree Lehrer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-lehrer/I1981.php : accessed January 18, 2026), "David KOKERNOOT (1897-1943)".
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