July 3 » Idaho is admitted as the 43rd U.S. state.
October 1 » Yosemite National Park is established by the U.S. Congress.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
December 22 » Cornwallis Valley Railway begins operation between Kentville and Kingsport, Nova Scotia.
December 29 » Wounded Knee Massacre on Pine Ridge Indian Reservation, 300 Lakota are killed by the United States 7th Cavalry Regiment.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of marriage April 30, 1913
The temperature on April 30, 1913 was between 10.6 °C and 23.0 °C and averaged 16.6 °C. There was 9.9 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
March 26 » First Balkan War: Bulgarian forces capture Adrianople.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
June 1 » The Greek–Serbian Treaty of Alliance is signed, paving the way for the Second Balkan War.
June 19 » Natives Land Act, 1913 in South Africa implemented.
July 31 » The Balkan States sign an armistice in Bucharest.
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/I212670.php : accessed December 30, 2025), "Hendertje Hinderica Post (1890-????)".
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