The temperature on February 11, 1912 was between 1.8 °C and 10.7 °C and averaged 4.6 °C. There was 0.1 mm of rain. There was 3.6 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
May 4 » Italy occupies the Greek island of Rhodes.
June 8 » Carl Laemmle incorporates Universal Pictures.
August 14 » U.S. Marines invade Nicaragua to support the U.S.-backed government installed there after José Santos Zelaya had resigned three years earlier.
October 8 » The First Balkan War begins when Montenegro declares war against the Ottoman Empire.
October 24 » First Balkan War: The Battle of Kumanovo concludes with the Serbian victory against the Ottoman Empire.
Day of death May 30, 1961
The temperature on May 30, 1961 was between 4.3 °C and 15.4 °C and averaged 10.5 °C. There was 14.8 hours of sunshine (91%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
April 12 » Cold War: Space Race: The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, Vostok 1.
August 13 » Cold War: East Germany closes the border between the eastern and western sectors of Berlin to thwart its inhabitants' attempts to escape to the West, and construction of the Berlin Wall is started.
September 28 » A military coup in Damascus effectively ends the United Arab Republic, the union between Egypt and Syria.
October 29 » Syria exits from the United Arab Republic.
December 17 » Niterói circus fire: Fire breaks out during a performance by the Gran Circus Norte-Americano in the city of Niterói, Rio de Janeiro, Brazil, killing more than 500.
When copying data from this family tree, please include a reference to the origin: GJM van Roessel, "Family tree Van Roessel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-roessel/R710.php : accessed February 15, 2026), "Petronella Josepha Maria van Roessel (1912-1961)".
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