January 6 » Second Boer War: Having already besieged the fortress at Ladysmith, Boer forces attack it, but are driven back by British defenders.
January 16 » The United States Senate accepts the Anglo-German treaty of 1899 in which the United Kingdom renounces its claims to the Samoan islands.
January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
March 13 » British forces occupy Bloemfontein, Orange Free State, during the Second Boer War.
July 19 » The first line of the Paris Métro opens for operation.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death April 18, 1979
The temperature on April 18, 1979 was between 1.4 °C and 7.8 °C and averaged 4.8 °C. There was 1.8 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 11 » The Iranian Revolution establishes an Islamic theocracy under the leadership of Ayatollah Ruhollah Khomeini.
February 20 » An earthquake cracks open the Sinila volcanic crater on the Dieng Plateau, releasing poisonous H2S gas and killing 149 villagers in the Indonesian province of Central Java.
June 1 » The first black-led government of Rhodesia (now Zimbabwe) in 90 years takes power.
July 19 » The oil tanker SS Atlantic Empress collides with another oil tanker, causing the largest ever ship-borne oil spill.
November 9 » Cold War: Nuclear false alarm: The NORAD computers and the Alternate National Military Command Center in Fort Ritchie, Maryland detected purported massive Soviet nuclear strike. After reviewing the raw data from satellites and checking the early-warning radars, the alert is cancelled.
December 10 » Kaohsiung Incident: Taiwanese pro-democracy demonstrations are suppressed by the KMT dictatorship, and organizers are arrested.
When copying data from this family tree, please include a reference to the origin: Johanna Lodewijks, "Family tree Dusseljee", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-dusseljee/I4879.php : accessed January 26, 2026), "Roelf van Vondel (1900-1979)".
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