The temperature on July 22, 1983 was between 11.9 °C and 29.0 °C and averaged 20.8 °C. There was 12.4 hours of sunshine (77%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
February 18 » Thirteen people die and one is seriously injured in the Wah Mee massacre in Seattle. It is said to be the largest robbery-motivated mass-murder in U.S. history.
May 1 » The Sydney Entertainment Centre is opened.
July 24 » The Black July anti-Tamil riots begin in Sri Lanka, killing between 400 and 3,000. Black July is generally regarded as the beginning of the Sri Lankan Civil War.
July 27 » Black July: Eighteen Tamil political prisoners at the Welikada high security prison in Colombo are massacred by Sinhalese prisoners, the second such massacre in two days.
September 27 » Richard Stallman announces the GNU Project to develop a free Unix-like operating system.
November 2 » U.S. President Ronald Reagan signs a bill creating Martin Luther King, Jr. Day.
When copying data from this family tree, please include a reference to the origin: Karin Fontijn, "Family tree Mersmann Amsterdam", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-mersmann/I152.php : accessed February 24, 2026), "Casper Dirk Muller (1898-1983)".
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