The temperature on January 21, 1895 was about 5.5 °C. There was 5 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 100%. Source: KNMI
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.
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 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.
December 28 » The Lumière brothers perform for their first paying audience at the Grand Cafe in Boulevard des Capucines.
Day of marriage March 30, 1928
The temperature on March 30, 1928 was between 4.9 °C and 9.7 °C and averaged 7.5 °C. There was 5.8 mm of rain. There was 1.2 hours of sunshine (9%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 1 » Boris Bazhanov defects through Iran. He is the only assistant of Joseph Stalin's secretariat to have defected from the Eastern Bloc.
April 14 » The Bremen, a German Junkers W 33 type aircraft, reaches Greenly Island, Canada - the first successful transatlantic aeroplane flight from east to west.
June 4 » The President of the Republic of China, Zhang Zuolin, is assassinated by Japanese agents.
September 1 » Ahmet Zogu declares Albania to be a monarchy and proclaims himself king.
September 17 » The Okeechobee hurricane strikes southeastern Florida, killing more than 2,500 people.
September 28 » Alexander Fleming notices a bacteria-killing mold growing in his laboratory, discovering what later became known as penicillin.
Day of death June 9, 1970
The temperature on June 9, 1970 was between 17.3 °C and 29.0 °C and averaged 23.3 °C. There was 11.9 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
July 21 » After 11 years of construction, the Aswan High Dam in Egypt is completed.
October 16 » Canadian Prime Minister Pierre Trudeau invokes the War Measures Act during the October Crisis.
November 13 » Bhola cyclone: A 150-mph tropical cyclone hits the densely populated Ganges Delta region of East Pakistan (now Bangladesh), killing an estimated 500,000 people in one night.
November 14 » Soviet Union enters ICAO, making Russian the fourth official language of organization.
November 25 » In Japan, author Yukio Mishima and one compatriot commit ritualistic seppuku after an unsuccessful coup attempt.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I10976.php : accessed February 18, 2026), "Maartje Elisabeth Burger (1895-1970)".
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