The temperature on February 11, 1913 was between 1.7 °C and 10.9 °C and averaged 6.4 °C. There was 5.0 hours of sunshine (52%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
March 20 » Sung Chiao-jen, a founder of the Chinese Nationalist Party, is wounded in an assassination attempt and dies 2 days later.
April 8 » The 17th Amendment to the United States Constitution, requiring direct election of Senators, becomes law.
July 3 » Confederate veterans at the Great Reunion of 1913 reenact Pickett's Charge; upon reaching the high-water mark of the Confederacy they are met by the outstretched hands of friendship from Union survivors.
August 16 » Tōhoku Imperial University of Japan (modern day Tohoku University) becomes the first university in Japan to admit female students.
August 28 » Queen Wilhelmina opens the Peace Palace in The Hague.
October 10 » U.S. President Wilson triggers the explosion of the Gamboa Dike, completing major construction on the Panama Canal.
Day of marriage June 24, 1942
The temperature on June 24, 1942 was between 11.8 °C and 21.3 °C and averaged 16.4 °C. There was 10.9 hours of sunshine (65%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
March 1 » World War II: Japanese forces land on Java, the main island of the Dutch East Indies, at Merak and Banten Bay (Banten), Eretan Wetan (Indramayu) and Kragan (Rembang).
March 12 » The Battle of Java ends with the surrender of the American-British-Dutch-Australian Command to the Japanese Empire in Bandung, West Java, Dutch East Indies.
May 8 » World War II: Gunners of the Ceylon Garrison Artillery on Horsburgh Island in the Cocos Islands rebel in the Cocos Islands Mutiny. Their mutiny is crushed and three of them are executed, the only British Commonwealth soldiers to be executed for mutiny during the Second World War.
July 18 » The Germans test fly the Messerschmitt Me 262 using its jet engines for the first time.
September 27 » Last day of the Matanikau action on Guadalcanal as United States Marines barely escape after being surrounded by Japanese forces.
November 15 » World War II: The Battle of Guadalcanal ends in a decisive Allied victory.
Day of death September 29, 1966
The temperature on September 29, 1966 was between 5.7 °C and 16.7 °C and averaged 10.8 °C. There was 4.1 hours of sunshine (35%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
June 8 » Topeka, Kansas, is devastated by a tornado that registers as an "F5" on the Fujita scale: The first to exceed US$100million in damages. Sixteen people are killed, hundreds more injured, and thousands of homes damaged or destroyed.
June 30 » The National Organization for Women, the United States' largest feminist organization, is founded.
July 10 » The Chicago Freedom Movement, led by Martin Luther King, Jr., holds a rally at Soldier Field in Chicago. As many as 60,000 people attend.
August 10 » The Heron Road Bridge collapses while being built, killing nine workers in the deadliest construction accident in both Ottawa and Ontario.
September 9 » The National Traffic and Motor Vehicle Safety Act is signed into law by U.S. President Lyndon B. Johnson.
September 12 » Gemini 11, the penultimate mission of NASA's Gemini program, and the current human altitude record holder (except for the Apollo lunar missions).
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I1003.php : accessed January 21, 2026), "Frederika Jacoba Koopman (1913-1966)".
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