The temperature on October 13, 1916 was between 11.3 °C and 15.7 °C and averaged 13.4 °C. There was 8.0 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 10 » World War I: In the Erzurum Offensive, Russia defeats the Ottoman Empire.
May 31 » World War I: Battle of Jutland: The British Grand Fleet engages the High Seas Fleet in the largest naval battle of the war, which proves indecisive.
August 25 » The United States National Park Service is created.
August 27 » World War I: The Kingdom of Romania declares war on Austria-Hungary, entering the war as one of the Allied nations.
August 28 » World War I: Italy declares war on Germany.
September 19 » World War I: During the East African Campaign, colonial forces of the Belgian Congo (Force Publique) under the command of Charles Tombeur capture the town of Tabora after heavy fighting.
Day of marriage September 13, 1945
The temperature on September 13, 1945 was between 11.1 °C and 21.2 °C and averaged 15.9 °C. There was 5.4 hours of sunshine (42%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
February 23 » World War II: During the Battle of Iwo Jima, a group of United States Marines reach the top of Mount Suribachi on the island and are photographed raising the American flag.
April 9 » World War II: The Battle of Königsberg, in East Prussia, ends.
April 23 » World War II: Adolf Hitler's designated successor, Hermann Göring, sends him a telegram asking permission to take leadership of the Third Reich. Martin Bormann and Joseph Goebbels advise Hitler that the telegram is treasonous.
May 2 » World War II: The Soviet Union announces the fall of Berlin.
June 21 » World War II: The Battle of Okinawa ends when the organized resistance of Imperial Japanese Army forces collapses in the Mabuni area on the southern tip of the main island.
August 2 » World War II: End of the Potsdam Conference.
Day of death November 11, 1979
The temperature on November 11, 1979 was between 1.9 °C and 6.2 °C and averaged 4.2 °C. There was 0.7 mm of rain during 0.1 hours. There was 1.7 hours of sunshine (19%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-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.
April 2 » A Soviet bio-warfare laboratory at Sverdlovsk accidentally releases airborne anthrax spores, killing 66 plus an unknown amount of livestock.
April 4 » Prime Minister Zulfikar Ali Bhutto of Pakistan is executed.
May 28 » Konstantinos Karamanlis signs the full treaty of the accession of Greece with the European Economic Community.
July 3 » U.S. President Jimmy Carter signs the first directive for secret aid to the opponents of the pro-Soviet regime in Kabul.
November 12 » Iran hostage crisis: In response to the hostage situation in Tehran, US President Jimmy Carter orders a halt to all petroleum imports into the United States from Iran.
December 9 » The eradication of the smallpox virus is certified, making smallpox the first of only two diseases that have been driven to extinction (rinderpest in 2011 being the other).
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/I123241.php : accessed October 25, 2026), "Karst Helmhout (1916-1979)".
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