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.
May 25 » Playwright, poet and novelist Oscar Wilde is convicted of "committing acts of gross indecency with other male persons" and sentenced to serve two years in prison.
June 11 » Paris–Bordeaux–Paris, sometimes called the first automobile race in history or the "first motor race", takes place.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage May 11, 1934
The temperature on May 11, 1934 was between 9.2 °C and 24.2 °C and averaged 17.2 °C. There was 13.0 hours of sunshine (84%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
June 19 » The Communications Act of 1934 establishes the United States' Federal Communications Commission (FCC).
July 25 » The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt.
August 2 » Gleichschaltung: Adolf Hitler becomes Führer of Germany following the death of President Paul von Hindenburg.
September 8 » Off the New Jersey coast, a fire aboard the passenger liner SSMorro Castle kills 137 people.
September 21 » A large typhoon hits western Honshū, Japan, killing more than three thousand people.
September 22 » The Gresford disaster in Wales kills 266 miners and rescuers.
Day of death December 26, 1941
The temperature on December 26, 1941 was between -4.1 °C and 3.5 °C and averaged 0.4 °C. There was 5.3 mm of rain during 5.6 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
February 4 » The United Service Organization (USO) is created to entertain American troops.
April 13 » A pact of neutrality between the USSR and Japan is signed.
April 17 » World War II: The Kingdom of Yugoslavia surrenders to Germany.
October 20 » World War II: Thousands of civilians in German-occupied Serbia are murdered in the Kragujevac massacre.
November 14 » World War II: The aircraft carrier HMSArk Royal sinks due to torpedo damage from the German submarineU-81 sustained on November 13.
December 21 » World War II: A formal treaty of alliance between Thailand and Japan is signed in the presence of the Emerald Buddha in Wat Phra Kaew, Thailand.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I43347.php : accessed February 16, 2026), "Sijnko Rosenboom (1895-1941)".
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