The temperature on December 17, 1928 was between -0.7 °C and 4.5 °C and averaged 1.6 °C. There was 5.7 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
March 12 » In California, the St. Francis Dam fails; the resulting floods kill 431 people.
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 12 » An iron lung respirator is used for the first time at Children's Hospital, Boston.
October 22 » Phi Sigma Alpha fraternity is founded at the University of Puerto Rico.
November 18 » Release of the animated short Steamboat Willie, the first fully synchronized sound cartoon, directed by Walt Disney and Ub Iwerks, featuring the third appearances of cartoon characters Mickey Mouse and Minnie Mouse. This is considered by the Disney corporation to be Mickey's birthday.
Day of death June 18, 1990
The temperature on June 18, 1990 was between 10.7 °C and 22.8 °C and averaged 17.3 °C. There was -0.1 mm of rain. There was 2.8 hours of sunshine (17%). The partly or heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » David Dinkins is sworn in as New York City's first black mayor.
April 24 » Gruinard Island, Scotland, is officially declared free of the anthrax disease after 48 years of quarantine.
May 4 » Latvia proclaims the renewal of its independence after the Soviet occupation.
July 16 » The Luzon earthquake strikes the Philippines with an intensity of 7.7, affecting Benguet, Pangasinan, Nueva Ecija, La Union, Aurora, Bataan, Zambales and Tarlac.
August 7 » First American soldiers arrive in Saudi Arabia as part of the Gulf War.
September 2 » Transnistria is unilaterally proclaimed a Soviet republic; the Soviet president Mikhail Gorbachev declares the decision null and void.
When copying data from this family tree, please include a reference to the origin: John Bart, "Family tree Denneman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-denneman/I337.php : accessed January 20, 2026), "Maria Margaretha Denneman (1928-1990)".
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