The temperature on April 17, 1913 was between 1.2 °C and 9.6 °C and averaged 6.4 °C. There was 2.7 hours of sunshine (19%). The average windspeed was 3 Bft (moderate breeze) 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.
February 20 » King O'Malley drives in the first survey peg to mark commencement of work on the construction of Canberra.
April 4 » First Balkan War: Greek aviator Emmanouil Argyropoulos becomes the first pilot to die in the Hellenic Air Force when his plane crashes.
May 14 » Governor of New York William Sulzer approves the charter for the Rockefeller Foundation, which begins operations with a $100million donation from John D. Rockefeller.
July 12 » Serbian forces begin their siege of the Bulgarian city of Vidin; the siege is later called off when the war ends.
July 31 » The Balkan States sign an armistice in Bucharest.
December 1 » Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.
Day of marriage July 15, 1937
The temperature on July 15, 1937 was between 15.7 °C and 28.4 °C and averaged 20.7 °C. There was 3.6 mm of rain during 0.2 hours. There was 10.3 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
July 22 » New Deal: The United States Senate votes down President Franklin D. Roosevelt's proposal to add more justices to the Supreme Court of the United States.
July 26 » Spanish Civil War: End of the Battle of Brunete with the Nationalist victory.
August 24 » Spanish Civil War: Sovereign Council of Asturias and León is proclaimed in Gijón.
November 8 » The Nazi exhibition Der ewige Jude ("The Eternal Jew") opens in Munich.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
December 29 » The Irish Free State is replaced by a new state called Ireland with the adoption of a new constitution.
Day of death August 20, 1980
The temperature on August 20, 1980 was between 14.4 °C and 21.5 °C and averaged 18.3 °C. There was -0.1 mm of rain. There was 4.5 hours of sunshine (31%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. 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.
January 28 » USCGCBlackthorn collides with the tanker Capricorn while leaving Tampa, Florida and capsizes, killing 23 Coast Guard crewmembers.
April 30 » The Iranian Embassy siege begins in London.
May 17 » On the eve of presidential elections, Maoist guerrilla group Shining Path attacks a polling location in Chuschi (a town in Ayacucho), starting the Internal conflict in Peru.
August 1 » Vigdís Finnbogadóttir is elected President of Iceland and becomes the world's first democratically elected female head of state.
September 23 » Bob Marley plays what would be the last concert of his life in Pittsburgh, Pennsylvania.
November 20 » Lake Peigneur drains into an underlying salt deposit. A misplaced Texaco oil probe had been drilled into the Diamond Crystal Salt Mine, causing water to flow down into the mine, eroding the edges of the hole.
When copying data from this family tree, please include a reference to the origin: F. Kueter, "Family tree Kueter", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_kueter/I57917.php : accessed February 25, 2026), "Petrus Johannes BERKERS (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.