February 11 » Anton Bruckner's 9th Symphony receives its first performance in Vienna, Austria.
March 14 » Pelican Island National Wildlife Refuge, the first national wildlife refuge in the US, is established by President Theodore Roosevelt.
July 20 » The Ford Motor Company ships its first automobile.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
December 17 » The Wright brothers make the first controlled powered, heavier-than-air flight in the Wright Flyer at Kitty Hawk, North Carolina.
Day of marriage March 31, 1927
The temperature on March 31, 1927 was between 4.5 °C and 10.5 °C and averaged 7.1 °C. There was 0.5 mm of rain. There was 3.3 hours of sunshine (26%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
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/I120538.php : accessed January 8, 2026), "Roelof Gjalt van der Helm (1903-)".
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