January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death September 27, 1974
The temperature on September 27, 1974 was between 6.8 °C and 15.4 °C and averaged 11.3 °C. There was 13.3 mm of rain during 7.4 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 4 » M62 coach bombing: The Provisional Irish Republican Army (IRA) explodes a bomb on a bus carrying off-duty British Armed Forces personnel in Yorkshire, England. Nine soldiers and three civilians are killed.
July 26 » Greek Prime Minister Konstantinos Karamanlis forms the country's first civil government after seven years of military rule.
October 5 » Bombs planted by the PIRA kill four British soldiers and one civilian.
November 16 » The Arecibo message is broadcast from the Arecibo Radio Telescope in Puerto Rico. It was aimed at the current location of the globular star cluster Messier 13 some 25,000 light years away. The message will reach empty space by the time it finally arrives since the cluster will have changed position.
November 20 » The first fatal crash of a Boeing 747 occurs when Lufthansa Flight 540 crashes while attempting to takeoff from Jomo Kenyatta International Airport in Nairobi, Kenya, killing 59 out of the 157 people on board.
November 24 » Donald Johanson and Tom Gray discover the 40% complete Australopithecus afarensis skeleton, nicknamed "Lucy" (after The Beatles song "Lucy in the Sky with Diamonds"), in the Awash Valley of Ethiopia's Afar Depression.
When copying data from this family tree, please include a reference to the origin: Harriet Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/jacobs_stamboom/I501419.php : accessed January 28, 2026), "Johannes Nicolaas Wirken (1895-1974)".
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