The temperature on November 23, 1911 was between -0.7 °C and 3.0 °C and averaged 1.5 °C. There was 0.3 hours of sunshine (4%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
January 3 » A magnitude 7.7 earthquake destroys the city of Almaty in Russian Turkestan.
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of death July 30, 1960
The temperature on July 30, 1960 was between 16.4 °C and 22.0 °C and averaged 18.9 °C. There was 1.8 mm of rain during 3.3 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 1 » Four black students stage the first of the Greensboro sit-ins at a lunch counter in Greensboro, North Carolina.
April 8 » The Netherlands and West Germany sign an agreement to negotiate the return of German land annexed by the Dutch in return for 280million German marks as Wiedergutmachung.
May 16 » Theodore Maiman operates the first optical laser (a ruby laser), at Hughes Research Laboratories in Malibu, California.
June 25 » Cold War: Two cryptographers working for the United States National Security Agency left for vacation to Mexico, and from there defected to the Soviet Union.
August 20 » Senegal breaks from the Mali Federation, declaring its independence.
November 25 » The Mirabal sisters of the Dominican Republic are assassinated.
When copying data from this family tree, please include a reference to the origin: Jaap Geensen, "Geensen database", database, Genealogy Online (https://www.genealogieonline.nl/geensen-database/I2596.php : accessed March 9, 2026), "Adriana Geense (1911-1960)".
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