The temperature on March 13, 1910 was between 1.0 °C and 7.1 °C and averaged 3.9 °C. There was 1.1 mm of rain. There was 5.6 hours of sunshine (48%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
March 8 » French aviator Raymonde de Laroche becomes the first woman to receive a pilot's license.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
October 11 » Piloted by Arch Hoxsey, Theodore Roosevelt becomes the first U.S. president to fly in an airplane.
October 22 » Hawley Harvey Crippen (the first felon to be arrested with the help of radio) is convicted of poisoning his wife.
Day of death December 15, 1970
The temperature on December 15, 1970 was between 2.3 °C and 6.8 °C and averaged 5.0 °C. The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
May 15 » President Richard Nixon appoints Anna Mae Hays and Elizabeth P. Hoisington the first female United States Army generals.
June 11 » After being appointed on May 15, Anna Mae Hays and Elizabeth P. Hoisington officially receive their ranks as U.S. Army Generals, becoming the first women to do so.
September 28 » Egyptian President Gamal Abdel Nasser dies of a heart attack in Cairo.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
October 5 » The Public Broadcasting Service (PBS) is founded.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I200095.php : accessed February 8, 2026), "Lubbertus Menninga (1910-1970)".
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