February 14 » British forces begin the Battle of the Tugela Heights in an effort to lift the Siege of Ladysmith.
April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
May 29 » N'Djamena is founded as Fort-Lamy by the French commander Émile Gentil.
July 2 » The first Zeppelin flight takes place on Lake Constance near Friedrichshafen, Germany.
December 18 » The Upper Ferntree Gully to Gembrook, Victoria Narrow-gauge (2ft 6 in or 762mm) Railway (now the Puffing Billy Railway) in Victoria, Australia is opened for traffic.
December 19 » Hopetoun Blunder: The first Governor-General of Australia John Hope, 7th Earl of Hopetoun, appoints Sir William Lyne premier of the new state of New South Wales, but he is unable to persuade other colonial politicians to join his government and is forced to resign.
Day of death April 3, 1975
The temperature on April 3, 1975 was between -1.1 °C and 7.8 °C and averaged 3.0 °C. There was 0.9 mm of rain during 1.2 hours. There was 3.7 hours of sunshine (28%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
February 28 » In London, an underground train fails to stop at Moorgate terminus station and crashes into the end of the tunnel, killing 43 people.
March 26 » The Biological Weapons Convention comes into force.
April 19 » India's first satellite Aryabhata launched in orbit from Kapustin Yar, Russia.
April 30 » Fall of Saigon: Communist forces gain control of Saigon. The Vietnam War formally ends with the unconditional surrender of South Vietnamese president Dương Văn Minh.
June 5 » The Suez Canal opens for the first time since the Six-Day War.
August 14 » The Rocky Horror Picture Show, the longest-running release in film history, opens in London.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I7777.php : accessed March 10, 2026), "Tettero (Theodor) van Abbema (1900-1975)".
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