The temperature on February 24, 1909 was between -4.5 °C and 1.0 °C and averaged -1.6 °C. There was 8.0 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
January 25 » Richard Strauss's opera Elektra receives its debut performance at the Dresden State Opera.
February 20 » Publication of the Futurist Manifesto in the French journal Le Figaro.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
August 24 » Workers start pouring concrete for the Panama Canal.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
Day of death April 16, 1986
The temperature on April 16, 1986 was between 5.6 °C and 13.7 °C and averaged 8.8 °C. There was 1.1 mm of rain during 0.3 hours. There was 5.0 hours of sunshine (36%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 15 » The United States launches Operation El Dorado Canyon, its bombing raids against Libyan targets in response to a discotheque bombing in West Germany that killed two U.S. servicemen.
April 26 » A nuclear reactor accident occurs at the Chernobyl Nuclear Power Plant in the Ukrainian Soviet Socialist Republic in the Soviet Union, creating the world's worst nuclear disaster.
May 7 » Canadian Patrick Morrow becomes the first person to climb each of the Seven Summits.
July 9 » The New Zealand Parliament passes the Homosexual Law Reform Act legalising homosexuality in New Zealand.
October 3 » TASCC, a superconducting cyclotron at the Chalk River Laboratories in Canada, is officially opened.
November 26 » Iran–Contra affair: U.S. President Ronald Reagan announces the members of what will become known as the Tower Commission.
When copying data from this family tree, please include a reference to the origin: Jon Vandenberg, "Vandenberg Tree", database, Genealogy Online (https://www.genealogieonline.nl/vandenberg-tree/R1085.php : accessed January 21, 2026), "Jannetje (Janny) Hopman (1909-1986)".
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