The temperature on May 22, 1910 was between 13.0 °C and 25.0 °C and averaged 19.1 °C. There was 13.4 hours of sunshine (84%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
August 20 » Extremely dry and windy weather in the Inland Northwest of the United States causes several small wildfires to coalesce into the Great Fire of 1910, burning approximately 3million acres (12,000km) and killing 87 people.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
December 3 » Modern neon lighting is first demonstrated by Georges Claude at the Paris Motor Show.
Day of death May 11, 1955
The temperature on May 11, 1955 was between 3.1 °C and 11.4 °C and averaged 7.3 °C. There was 0.3 mm of rain during 2.3 hours. There was 9.1 hours of sunshine (59%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 7 » Contralto Marian Anderson becomes the first person of color to perform at the Metropolitan Opera in Giuseppe Verdi's Un ballo in maschera.
February 8 » The Government of Sindh, Pakistan, abolishes the Jagirdari system in the province. One million acres (4000km) of land thus acquired is to be distributed among the landless peasants.
April 12 » The polio vaccine, developed by Dr. Jonas Salk, is declared safe and effective.
May 14 » Cold War: Eight Communist bloc countries, including the Soviet Union, sign a mutual defense treaty called the Warsaw Pact.
July 15 » Eighteen Nobel laureates sign the Mainau Declaration against nuclear weapons, later co-signed by thirty-four others.
September 20 » The Treaty on Relations between the USSR and the GDR is signed.
When copying data from this family tree, please include a reference to the origin: Ben Wit, "Family tree Wit en andere families West-Friesland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wit/I1417.php : accessed January 24, 2026), "Jan "Jan" Wit (1910-1955)".
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