The temperature on December 21, 1913 was between -5.1 °C and 3.5 °C and averaged 0.9 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
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.
March 4 » The United States Department of Labor is formed.
March 18 » King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
August 10 » Second Balkan War: Delegates from Bulgaria, Romania, Serbia, Montenegro, and Greece sign the Treaty of Bucharest, ending the war.
August 28 » Queen Wilhelmina opens the Peace Palace in The Hague.
September 23 » Roland Garros of France becomes the first to fly in an airplane across the Mediterranean (from St. Raphael in France to Bizerte, Tunisia).
Day of death April 21, 1980
The temperature on April 21, 1980 was between 3.2 °C and 9.6 °C and averaged 5.9 °C. There was 1.2 mm of rain during 1.2 hours. There was 4.7 hours of sunshine (33%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 26 » Egypt and Israel establish full diplomatic relations.
April 3 » US Congress restores a federal trust relationship with the 501 members of the Shvwits, Kanosh, Koosharem, and the Indian Peaks and Cedar City bands of the Paiute people of Utah.
May 18 » Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3billion in damage.
July 8 » The inaugural 1980 State of Origin game is won by Queensland who defeat New South Wales 20–10 at Lang Park.
September 30 » Ethernet specifications are published by Xerox working with Intel and Digital Equipment Corporation.
October 25 » Proceedings on the Hague Convention on the Civil Aspects of International Child Abduction conclude.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I561990.php : accessed January 7, 2026), "Trijntje Annes Wijbenga (1913-1980)".
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.