The temperature on February 1, 1915 was between -1.5 °C and 5.6 °C and averaged 1.3 °C. There was 5.1 hours of sunshine (56%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 20 » Albert Einstein publishes his general theory of relativity.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
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.
September 5 » The pacifist Zimmerwald Conference begins.
Day of death May 31, 1997
The temperature on May 31, 1997 was between 7.9 °C and 18.8 °C and averaged 14.5 °C. There was 14.6 hours of sunshine (89%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
April 3 » The Thalit massacre begins in Algeria; all but one of the 53 inhabitants of Thalit are killed by guerrillas.
April 13 » Tiger Woods becomes the youngest golfer to win the Masters Tournament.
June 5 » The Second Republic of the Congo Civil War begins.
June 25 » The National Hockey League approved expansion franchises for Nashville (1998), Atlanta (1999), Columbus (2000), and Minneapolis-Saint Paul (2000).
September 11 » NASA's Mars Global Surveyor reaches Mars.
November 27 » Twenty-five people are killed in the second Souhane massacre in Algeria.
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/I200407.php : accessed October 14, 2026), "Dirk Luitje Wibbens (1915-1997)".
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