The temperature on May 15, 1913 was between 8.2 °C and 20.6 °C and averaged 14.2 °C. There was 8.5 hours of sunshine (54%). The average windspeed was 3 Bft (moderate breeze) 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.
January 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
March 26 » First Balkan War: Bulgarian forces capture Adrianople.
June 19 » Natives Land Act, 1913 in South Africa implemented.
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.
October 14 » Senghenydd colliery disaster, the United Kingdom's worst coal mining accident, claims the lives of 439 miners.
Day of death July 12, 1960
The temperature on July 12, 1960 was between 11.1 °C and 20.0 °C and averaged 16.0 °C. There was 0.7 mm of rain during 0.6 hours. There was 9.8 hours of sunshine (60%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 9 » President of Egypt Gamal Abdel Nasser opens construction on the Aswan Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
May 13 » Hundreds of University of California, Berkeley students congregate for the first day of protest against a visit by the House Committee on Un-American Activities.
May 15 » The Soviet Union launches Sputnik 4.
July 20 » Ceylon (now Sri Lanka) elects Sirimavo Bandaranaike Prime Minister, the world's first elected female head of government.
November 11 » A military coup against President Ngô Đình Diệm of South Vietnam is crushed.
December 17 » Troops loyal to Emperor Haile Selassie in Ethiopia crush the coup that began December 13, returning power to their leader upon his return from Brazil. Haile Selassie absolves his son of any guilt.
When copying data from this family tree, please include a reference to the origin: Eva Drenth, "Family tree Diverse", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-drenth/I24934.php : accessed February 19, 2026), "Johanna Ronkel (1913-1960)".
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