The temperature on August 30, 1934 was between 6.9 °C and 17.3 °C and averaged 11.3 °C. There was 5.9 mm of rain during 1.4 hours. There was 6.3 hours of sunshine (46%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 1 » Alcatraz Island in San Francisco Bay becomes a United States federal prison.
February 6 » Far-right leagues rally in front of the Palais Bourbon in an attempted coup against the French Third Republic, creating a political crisis in France.
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
July 2 » The Night of the Long Knives ends with the death of Ernst Röhm.
October 16 » Chinese Communists begin the Long March to escape Nationalist encirclement.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
Day of death September 23, 1990
The temperature on September 23, 1990 was between 9.0 °C and 16.9 °C and averaged 11.8 °C. There was 1.6 mm of rain during 0.8 hours. There was 2.7 hours of sunshine (22%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-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 10 » Time Warner is formed by the merger of Time Inc. and Warner Communications.
February 2 » Apartheid: F. W. de Klerk announces the unbanning of the African National Congress and promises to release Nelson Mandela.
February 11 » Buster Douglas, a 42:1 underdog, knocks out Mike Tyson in ten rounds at Tokyo to win boxing's world Heavyweight title.
April 7 » A fire breaks out on the passenger ferry Scandinavian Star, killing 159 people.
July 30 » Ian Gow, Conservative Member of Parliament, is assassinated at his home by IRA terrorists in a car bombing after he assured the group that the British government would never surrender to them.
November 2 » British Satellite Broadcasting and Sky Television plc merge to form BSkyB as a result of massive losses.
When copying data from this family tree, please include a reference to the origin: Wim de Vries, "Family tree Kaempff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaempff/I615.php : accessed January 22, 2026), "Bertus Jan Sinnema (1934-1990)".
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