January 18 » An X-ray generating machine is exhibited for the first time by H. L. Smith.
January 28 » Walter Arnold of East Peckham, Kent, becomes the first person to be convicted of speeding. He was fined one shilling, plus costs, for speeding at 8mph (13km/h), thereby exceeding the contemporary speed limit of 2mph (3.2km/h).
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
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.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
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.
Day of marriage August 10, 1921
The temperature on August 10, 1921 was between 6.3 °C and 21.5 °C and averaged 15.1 °C. There was 0.4 mm of rain. There was 3.7 hours of sunshine (25%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. 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.
February 12 » Bolsheviks launch a revolt in Georgia as a preliminary to the Red Army invasion of Georgia.
March 8 » Spanish Prime Minister Eduardo Dato Iradier is assassinated while exiting the parliament building in Madrid.
May 8 » The creation of the Communist Party of Romania.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
November 4 » Japanese Prime Minister Hara Takashi is assassinated in Tokyo.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death June 11, 1967
The temperature on June 11, 1967 was between 9.9 °C and 15.2 °C and averaged 11.9 °C. There was 0.2 mm of rain. There was 4.2 hours of sunshine (25%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
May 24 » Egypt imposes a blockade and siege of the Red Sea coast of Israel.
June 2 » Protests in West Berlin against the arrival of the Shah of Iran turn into riots, during which Benno Ohnesorg is killed by a police officer. His death results in the founding of the terrorist group Movement 2 June.
June 8 » Six-Day War: The USS Liberty incident occurs, killing 34 and wounding 171.
September 20 » RMSQueen Elizabeth 2 is launched Clydebank, Scotland.
November 14 » American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser.
November 14 » The Congress of Colombia, in commemoration of the 150 years of the death of Policarpa Salavarrieta, declares this day as "Day of the Colombian Woman".
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I66949.php : accessed January 26, 2026), "Emmanuel Maria Josephus Ketelaars (1896-1967)".
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