The temperature on April 30, 1915 was between 4.6 °C and 18.3 °C and averaged 10.1 °C. There was 8.7 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the ??. 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.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
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.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I86224.php : accessed April 30, 2025), "Adriana Verholen (1915-)".
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