January 31 » Czechoslav Trade Union Association is founded in Prague.
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 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
Day of death July 30, 1955
The temperature on July 30, 1955 was between 13.4 °C and 17.4 °C and averaged 15.1 °C. There was 0.2 mm of rain during 0.2 hours. There was 0.1 hours of sunshine (1%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
April 1 » The EOKA rebellion against the British Empire begins in Cyprus, with the goal of unifying with Greece.
May 25 » In the United States, a night-time F5 tornado strikes the small city of Udall, Kansas, killing 80 and injuring 273. It is the deadliest tornado to ever occur in the state and the 23rd deadliest in the U.S.
June 11 » Eighty-three spectators are killed and at least 100 are injured after an Austin-Healey and a Mercedes-Benz collide at the 24 Hours of Le Mans, the deadliest ever accident in motorsports.
July 17 » Disneyland is dedicated and opened by Walt Disney in Anaheim, California.
October 1 » The Xinjiang Uyghur Autonomous Region is established.
October 29 » The Soviet battleshipNovorossiysk strikes a World War II mine in the harbor at Sevastopol.
When copying data from this family tree, please include a reference to the origin: Wilfried Celis, "Family tree Celis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-celis/I180.php : accessed March 13, 2026), "Carolus Ludovicus CELIS (1897-1955)".
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