The temperature on April 23, 1895 was about 11.5 °C. There was 0.3 mm of rain. The airpressure was 75 cm mercury. The atmospheric humidity was 97%. Source: KNMI
March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
August 31 » German Count Ferdinand von Zeppelin patents his navigable balloon.
October 22 » In Paris an express train derails after overrunning the buffer stop, crossing almost 30 metres (100ft) of concourse before crashing through a wall and falling 10 metres (33ft) to the road below.
November 5 » George B. Selden is granted the first U.S. patent for an automobile.
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 April 16, 1928
The temperature on April 16, 1928 was between 0.6 °C and 2.4 °C and averaged 1.4 °C. There was 3.7 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
March 21 » Charles Lindbergh is presented with the Medal of Honor for the first solo trans-Atlantic flight.
April 12 » The Bremen, a German Junkers W 33 type aircraft, takes off for the first successful transatlantic aeroplane flight from east to west.
June 18 » Aviator Amelia Earhart becomes the first woman to fly in an aircraft across the Atlantic Ocean (she is a passenger; Wilmer Stultz is the pilot and Lou Gordon the mechanic).
August 27 » The Kellogg–Briand Pact outlawing war is signed by fifteen nations. Ultimately sixty-one nations will sign it.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
November 15 » The RNLI lifeboat Mary Stanford capsized in Rye Harbour with the loss of the entire 17-man crew.
Day of death April 12, 1975
The temperature on April 12, 1975 was between 4.6 °C and 10.0 °C and averaged 6.9 °C. There was 1.2 mm of rain during 2.1 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. 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.
When copying data from this family tree, please include a reference to the origin: Van Knippenberg, "Family tree Van Knippenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-knippenberg/I476.php : accessed January 18, 2026), "Leonardus Andreas van Knippenberg (1895-1975)".
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