February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
March 19 » Auguste and Louis Lumière record their first footage using their newly patented cinematograph.
April 6 » Oscar Wilde is arrested in the Cadogan Hotel, London, after losing a libel case against the Marquess of Queensberry.
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage February 9, 1918
The temperature on February 9, 1918 was between 5.6 °C and 9.7 °C and averaged 7.9 °C. There was 1.3 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 19 » The US Congress establishes time zones and approves daylight saving time.
March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
April 8 » World War I: Actors Douglas Fairbanks and Charlie Chaplin sell war bonds on the streets of New York City's financial district.
August 11 » World War I: The Battle of Amiens ends.
November 1 » Western Ukraine separates from Austria-Hungary.
November 21 » A pogrom takes place in Lwów (now Lviv); over three days, at least 50 Jews and 270 Ukrainian Christians are killed by Poles.
Day of death October 28, 1957
The temperature on October 28, 1957 was between 8.9 °C and 13.2 °C and averaged 11.0 °C. There was 0.3 mm of rain during 0.6 hours. There was 0.1 hours of sunshine (1%). The heavily clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 9 » The 8.6 Mw Andreanof Islands earthquake shakes the Aleutian Islands, causing over $5 million in damage from ground movement and a destructive tsunami.
May 1 » Thirty-four people are killed when a Vickers Viking airliner crashes in Hampshire, England.
June 9 » First ascent of Broad Peak by Fritz Wintersteller, Marcus Schmuck, Kurt Diemberger, and Hermann Buhl.
August 1 » The United States and Canada form the North American Aerospace Defense Command (NORAD).
September 2 » President Ngô Đình Diệm of South Vietnam becomes the first foreign head of state to make a state visit to Australia.
November 14 » The "Apalachin Meeting" in rural Tioga County in upstate New York is raided by law enforcement; many high level Mafia figures are arrested while trying to flee.
When copying data from this family tree, please include a reference to the origin: J. Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_jacobs/I2815.php : accessed May 9, 2025), "Helena Slenders (1895-1957)".
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