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.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
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.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 30 » The British Colony of Natal annexes Zululand.
Day of death September 17, 1969
The temperature on September 17, 1969 was between 15.1 °C and 21.4 °C and averaged 16.8 °C. There was 1.3 mm of rain during 1.5 hours. There was 0.4 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 19 » Student Jan Palach dies after setting himself on fire three days earlier in Prague's Wenceslas Square to protest about the invasion of Czechoslovakia by the Soviet Union in 1968. His funeral turns into another major protest.
June 3 » Melbourne–Evans collision: off the coast of South Vietnam, the Australian aircraft carrier HMASMelbourne cuts the U.S. Navy destroyer USSFrank E. Evans in half.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
July 25 » Vietnam War: U.S. President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the "Vietnamization" of the war.
September 5 » My Lai Massacre: U.S. Army Lieutenant William Calley is charged with six specifications of premeditated murder for the death of 109 Vietnamese civilians in My Lai.
November 14 » Apollo program: NASA launches Apollo 12, the second crewed mission to the surface of the Moon.
When copying data from this family tree, please include a reference to the origin: F. Lunenborg, "Family tree Lunenborg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_lunenborg/I5294.php : accessed February 26, 2026), "Gerrit van ELBURG (1897-1969)".
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