February 22 » Filipino forces led by General Antonio Luna launch counterattacks for the first time against the American forces during the Philippine–American War. The Filipinos fail to regain Manila from the Americans.
March 4 » Cyclone Mahina sweeps in north of Cooktown, Queensland, with a 12 metres (39ft) wave that reaches up to 5 kilometres (3.1mi) inland, killing over 300.
March 6 » Bayer registers "Aspirin" as a trademark.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 17 » NEC Corporation is organized as the first Japanese joint venture with foreign capital.
July 26 » Ulises Heureaux, the 27th President of the Dominican Republic, is assassinated.
Day of death December 21, 1960
The temperature on December 21, 1960 was between 3.3 °C and 4.9 °C and averaged 4.0 °C. There was 1.9 mm of rain during 6.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
April 13 » The United States launches Transit 1-B, the world's first satellite navigation system.
May 15 » The Soviet Union launches Sputnik 4.
August 16 » Cyprus gains its independence from the United Kingdom.
September 24 » USSEnterprise, the world's first nuclear-powered aircraft carrier, is launched.
November 3 » The land that would become the Great Swamp National Wildlife Refuge was established by an Act of Congress after a year-long legal battle that pitted local residents against Port Authority of New York and New Jersey officials wishing to turn the Great Swamp into a major regional airport for jet aircraft.
December 15 » Richard Pavlick is arrested for plotting to assassinate U.S. President-Elect John F. Kennedy.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I23174.php : accessed February 8, 2026), "Petrus Antoon Clement Janssens (1899-1960)".
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