The temperature on February 9, 1911 was between -3.1 °C and 2.8 °C and averaged -0.5 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
May 23 » The New York Public Library is dedicated.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
Day of death May 11, 1973
The temperature on May 11, 1973 was between 2.6 °C and 12.5 °C and averaged 8.0 °C. There was 0.1 mm of rain during 0.1 hours. There was 11.7 hours of sunshine (76%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
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.
January 14 » Elvis Presley's concert Aloha from Hawaii is broadcast live via satellite, and sets the record as the most watched broadcast by an individual entertainer in television history.
January 23 » United States President Richard Nixon announces that a peace accord has been reached in Vietnam.
February 22 » Cold War: Following President Richard Nixon's visit to the People's Republic of China, the two countries agree to establish liaison offices.
April 4 » The Twin Towers of the World Trade Center in New York City are officially dedicated.
October 14 » In the Thammasat student uprising, over 100,000 people protest in Thailand against the military government. Seventy-seven are killed and 857 are injured by soldiers.
November 4 » The Netherlands experiences the first Car-Free Sunday caused by the 1973 oil crisis. Highways are used only by cyclists and roller skaters.
When copying data from this family tree, please include a reference to the origin: Dimitri Reinderman, "Family tree Reinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-reinderman/I28784.php : accessed February 6, 2026), "Henry Carl Ballema (1911-1973)".
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