The temperature on April 8, 1909 was between -1.0 °C and 16.0 °C and averaged 8.0 °C. There was 12.5 hours of sunshine (93%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 11 » The city of Tel Aviv is founded.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
September 7 » Eugène Lefebvre crashes a new French-built Wright biplane during a test flight at Juvisy, south of Paris, becoming the first aviator in the world to lose his life in a powered heavier-than-air craft.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Day of marriage September 11, 1935
The temperature on September 11, 1935 was between 3.8 °C and 18.8 °C and averaged 11.9 °C. There was 9.4 hours of sunshine (72%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
July 20 » Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen.
July 28 » First flight of the Boeing B-17 Flying Fortress.
September 3 » Sir Malcolm Campbell reaches a speed of 304.331 miles per hour on the Bonneville Salt Flats in Utah, becoming the first person to drive an automobile over 300mph.
September 30 » The Hoover Dam, astride the border between the U.S. states of Arizona and Nevada, is dedicated.
December 5 » Mary McLeod Bethune founds the National Council of Negro Women in New York City.
December 18 » The Lanka Sama Samaja Party is founded in Ceylon.
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/I212949.php : accessed January 31, 2026), "Jacobus Johannes van Grevenbroek (1909-)".
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