January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
April 17 » The Treaty of Shimonoseki between China and Japan is signed. This marks the end of the First Sino-Japanese War, and the defeated Qing Empire is forced to renounce its claims on Korea and to concede the southern portion of the Fengtien province, Taiwan and the Pescadores Islands to Japan.
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.
June 20 » The Kiel Canal, crossing the base of the Jutland peninsula and the busiest artificial waterway in the world, is officially opened.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
November 8 » While experimenting with electricity, Wilhelm Röntgen discovers the X-ray.
Day of death November 30, 1942
The temperature on November 30, 1942 was between -0.2 °C and 6.4 °C and averaged 2.8 °C. There was 0.7 mm of rain during 0.6 hours. There was 3.9 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
January 16 » Crash of TWA Flight 3, killing all 22 aboard, including film star Carole Lombard.
February 19 » World War II: United States President Franklin D. Roosevelt signs executive order 9066, allowing the United States military to relocate Japanese Americans to internment camps.
August 19 » World War II: Operation Jubilee: The 2nd Canadian Infantry Division leads an amphibious assault by allied forces on Dieppe, France and fails, many Canadians are killed or captured. The operation was intended to develop and try new amphibious landing tactics for the coming full invasion in Normandy.
August 26 » At Chortkiv, the Ukrainian police and German Schutzpolizei deport two thousand Jews to Bełżec extermination camp. Five hundred of the sick and children are murdered on the spot. This continued until the next day.
September 21 » The Boeing B-29 Superfortress makes its maiden flight.
December 2 » World War II: During the Manhattan Project, a team led by Enrico Fermi initiates the first artificial self-sustaining nuclear chain reaction.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099519675.php : accessed February 23, 2026), "Berendje Leeffers (1871-1942)".
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