The temperature on June 4, 1911 was between 12.8 °C and 25.6 °C and averaged 18.1 °C. There was 7.5 mm of rain. There was 4.4 hours of sunshine (27%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
January 21 » The first Monte Carlo Rally takes place.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
November 5 » After declaring war on the Ottoman Empire on September 29, 1911, Italy annexes Tripoli and Cyrenaica.
Day of marriage June 19, 1936
The temperature on June 19, 1936 was between 16.5 °C and 29.9 °C and averaged 23.3 °C. There was 13.6 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
May 21 » Sada Abe is arrested after wandering the streets of Tokyo for days with her dead lover's severed genitals in her handbag. Her story soon becomes one of Japan's most notorious scandals.
July 26 » Spanish Civil War: Germany and Italy decide to intervene in the war in support for Francisco Franco and the Nationalist faction.
August 14 » Rainey Bethea is hanged in Owensboro, Kentucky in the last known public execution in the United States.
August 19 » The Great Purge of the Soviet Union begins when the first of the Moscow Trials is convened.
October 1 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia dissolves itself, handing control of Catalan defence militias over to the Generalitat.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I45818.php : accessed February 19, 2026), "Arie de Graaff (1911-)".
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