January 17 » The United States takes possession of Wake Island in the Pacific Ocean.
January 19 » Anglo-Egyptian Sudan is formed.
March 6 » Bayer registers "Aspirin" as a trademark.
June 7 » American Temperance crusader Carrie Nation begins her campaign of vandalizing alcohol-serving establishments by destroying the inventory in a saloon in Kiowa, Kansas.
June 12 » New Richmond tornado: The eighth deadliest tornado in U.S. history kills 117 people and injures around 200.
July 29 » The First Hague Convention is signed.
Day of death June 2, 1961
The temperature on June 2, 1961 was between 11.3 °C and 15.2 °C and averaged 13.0 °C. There was 0.4 mm of rain during 0.8 hours. There was 0.4 hours of sunshine (2%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
February 12 » The Soviet Union launches Venera 1 towards Venus.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
May 21 » American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
June 19 » Kuwait declares independence from the United Kingdom.
October 1 » The United States Defense Intelligence Agency is formed, becoming the country's first centralized military intelligence organization.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I283770.php : accessed February 26, 2026), "Petronella Roovers (1899-1961)".
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