The temperature on November 18, 1913 was between 8.1 °C and 12.0 °C and averaged 10.6 °C. There was 0.6 mm of rain. There was 0.2 hours of sunshine (2%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the 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 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
February 21 » Ioannina is incorporated into the Greek state after the Balkan Wars.
March 21 » Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
November 5 » King Otto of Bavaria is deposed by his cousin, Prince Regent Ludwig, who assumes the title Ludwig III.
December 17 » A spur of the Shaker Heights streetcar line opens, the first line of the eventual Cleveland RTA Rapid Transit system.
December 21 » Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
Day of marriage May 20, 1936
The temperature on May 20, 1936 was between 8.4 °C and 19.1 °C and averaged 13.2 °C. There was 12.2 hours of sunshine (77%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
May 28 » Alan Turing submits On Computable Numbers for publication.
July 17 » Spanish Civil War: An Armed Forces rebellion against the recently elected leftist Popular Front government of Spain starts the civil war.
October 9 » Boulder Dam (later Hoover Dam) begins to generate electricity and transmit it to Los Angeles.
October 26 » The first electric generator at Hoover Dam goes into full operation.
December 10 » Abdication Crisis: Edward VIII signs the Instrument of Abdication.
December 11 » Abdication Crisis: Edward VIII's abdication as King of the United Kingdom and the British Dominions beyond the Seas, and Emperor of India, becomes effective.
Day of death October 13, 1967
The temperature on October 13, 1967 was between 8.5 °C and 15.3 °C and averaged 12.7 °C. There was 7.3 mm of rain during 7.8 hours. There was 4.0 hours of sunshine (37%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 18 » The supertanker Torrey Canyon runs aground off the Cornish coast.
May 24 » Egypt imposes a blockade and siege of the Red Sea coast of Israel.
June 26 » Karol Wojtyła (later John Paul II) made a cardinal by Pope Paul VI.
August 30 » Thurgood Marshall is confirmed as the first African American Justice of the Supreme Court of the United States.
September 3 » Dagen H in Sweden: Traffic changes from driving on the left to driving on the right overnight.
December 6 » Adrian Kantrowitz performs the first human heart transplant in the United States.
Day of burial October 18, 1967
The temperature on October 18, 1967 was between 4.2 °C and 12.6 °C and averaged 8.0 °C. There was 3.8 mm of rain during 2.5 hours. There was 6.4 hours of sunshine (61%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 26 » Ten thousand people gather for one of many Central Park be-ins in New York City.
June 7 » Six-Day War: Israeli soldiers enter Jerusalem.
August 14 » UK Marine Broadcasting Offences Act declares participation in offshore pirate radio illegal.
October 10 » The Outer Space Treaty comes into force.
October 18 » The Soviet probe Venera 4 reaches Venus and becomes the first spacecraft to measure the atmosphere of another planet.
November 11 » Vietnam War: In a propaganda ceremony in Phnom Penh, Cambodia, three American prisoners of war are released by the Viet Cong and turned over to "new left" antiwar activist Tom Hayden.
When copying data from this family tree, please include a reference to the origin: Roelf Schrik, "Family tree Grin", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-grin/I676.php : accessed February 25, 2026), "Johannes Venekamp (1913-1967)".
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