The temperature on December 19, 1915 was between -0.9 °C and 6.2 °C and averaged 2.4 °C. There was 0.3 mm of rain. There was 2.9 hours of sunshine (38%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-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.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
June 29 » The North Saskatchewan River flood of 1915 is the worst flood in Edmonton history.
July 28 » The United States begins a 19-year occupation of Haiti.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
Day of marriage May 14, 1938
The temperature on May 14, 1938 was between 8.1 °C and 25.2 °C and averaged 17.8 °C. There was 9.9 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 4 » Adolf Hitler appoints himself as head of the Armed Forces High Command.
May 26 » In the United States, the House Un-American Activities Committee begins its first session.
July 28 » Hawaii Clipper disappears between Guam and Manila as the first loss of an airliner in trans-Pacific China Clipper service.
September 30 » The League of Nations unanimously outlaws "intentional bombings of civilian populations".
October 10 » Abiding by the Munich Agreement, Czechoslovakia completes its withdrawal from the Sudetenland.
December 17 » Otto Hahn discovers the nuclear fission of the heavy element uranium, the scientific and technological basis of nuclear energy.
Day of death February 3, 1999
The temperature on February 3, 1999 was between 4.9 °C and 9.1 °C and averaged 7.1 °C. There was 0.2 mm of rain during 0.5 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
June 9 » Kosovo War: The Federal Republic of Yugoslavia and NATO sign a peace treaty.
November 18 » At Texas A&M University, the Aggie Bonfire collapses killing 12 students and injuring 27 others.
November 30 » In Seattle, United States, demonstrations against a World Trade Organization meeting by anti-globalization protesters catch police unprepared and force the cancellation of opening ceremonies.
December 3 » NASA loses radio contact with the Mars Polar Lander moments before the spacecraft enters the Martian atmosphere.
December 18 » NASA launches into orbit the Terra platform carrying five Earth Observation instruments, including ASTER, CERES, MISR, MODIS and MOPITT.
December 21 » Cubana de Aviación Flight 1216 overshoots the runway at La Aurora International Airport, killing 18.
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/I187609.php : accessed October 16, 2026), "Pieter Boersma (1915-1999)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.