January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
May 18 » The United States Supreme Court rules in Plessy v. Ferguson that the "separate but equal" doctrine is constitutional.
May 27 » The F4-strength St. Louis–East St. Louis tornado hits in St. Louis, Missouri, and East St. Louis, Illinois, killing at least 255 people and causing over $10-million in damage.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of death May 11, 1919
The temperature on May 11, 1919 was between 9.3 °C and 21.8 °C and averaged 15.8 °C. There was 0.1 mm of rain. There was 9.8 hours of sunshine (63%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
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.
January 18 » Ignacy Jan Paderewski becomes Prime Minister of the newly independent Poland.
March 21 » The Hungarian Soviet Republic is established becoming the first Communist government to be formed in Europe after the October Revolution in Russia.
July 21 » The dirigible Wingfoot Air Express crashes into the Illinois Trust and Savings Building in Chicago, killing 12 people.
September 18 » Fritz Pollard becomes the first African American to play professional football for a major team, the Akron Pros.
September 28 » Race riots begin in Omaha, Nebraska.
October 16 » Adolf Hitler delivers his first public address at a meeting of the German Workers' Party.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I143907.php : accessed October 20, 2026), "Engbert van der Vaart (1896-1919)".
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