The temperature on May 15, 1915 was between 0.1 °C and 12.8 °C and averaged 6.7 °C. There was 12.9 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
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 19 » Georges Claude patents the neon discharge tube for use in advertising.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
September 5 » The pacifist Zimmerwald Conference begins.
Day of marriage January 9, 1936
The temperature on January 9, 1936 was between 7.2 °C and 12.6 °C and averaged 9.2 °C. There was 8.6 mm of rain during 3.9 hours. There was 0.4 hours of sunshine (5%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. Source: KNMI
April 3 » Bruno Richard Hauptmann is executed for the kidnapping and death of Charles Augustus Lindbergh, Jr., the baby son of pilot Charles Lindbergh.
August 24 » The Australian Antarctic Territory is created.
September 7 » The last thylacine, a carnivorous marsupial named Benjamin, dies alone in its cage at the Hobart Zoo in Tasmania.
November 8 » Spanish Civil War: Francoist troops fail in their effort to capture Madrid, but begin the 3-year Siege of Madrid afterwards.
December 5 » The Soviet Union adopts a new constitution and the Kirghiz Soviet Socialist Republic is established as a full Union Republic of the USSR.
December 13 » An annular solar eclipse occurred and was visible from Australia, New Zealand on December 14th (Monday), and Oeno Island in Pitcairn Islands on December 13th (Sunday).
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/I201068.php : accessed October 4, 2026), "Roelfke Ronda (1915-)".
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