April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
Day of death January 30, 1979
The average temperature on January 30, 1979 was 1.5 °C. There was 2.0 mm of rain during 2.0 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
March 17 » The Penmanshiel Tunnel collapses during engineering works, killing two workers.
April 2 » A Soviet bio-warfare laboratory at Sverdlovsk accidentally releases airborne anthrax spores, killing 66 plus an unknown amount of livestock.
June 9 » The Ghost Train fire at Luna Park Sydney, Australia, kills seven.
July 15 » U.S. President Jimmy Carter gives his "malaise speech".
November 10 » A 106-car Canadian Pacific freight train carrying explosive and poisonous chemicals from Windsor, Ontario, Canada derails in Mississauga, Ontario, just west of Toronto, causing a massive explosion and the largest peacetime evacuation in Canadian history and one of the largest in North American history.
December 3 » Ayatollah Ruhollah Khomeini becomes the first Supreme Leader of Iran.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I132874.php : accessed October 19, 2026), "Wilhelm Mulder (1897-1979)".
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