The temperature on May 9, 1914 was between 5.0 °C and 12.2 °C and averaged 8.3 °C. There was 3.2 mm of rain. There was 2.1 hours of sunshine (14%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
April 20 » Nineteen men, women, and children die in the Ludlow Massacre during a Colorado coal-miners' strike.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
July 28 » In the culmination of the July Crisis, Austria-Hungary declares war on Serbia, igniting World War I.
August 12 » World War I: The United Kingdom declares war on Austria-Hungary; the countries of the British Empire follow suit.
August 23 » World War I: Japan declares war on Germany.
October 29 » Ottoman entry into World War I.
Day of marriage October 23, 1939
The temperature on October 23, 1939 was between 1.3 °C and 11.7 °C and averaged 7.6 °C. There was 0.5 mm of rain during 0.3 hours. There was 6.3 hours of sunshine (62%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
April 30 » The 1939–40 New York World's Fair opens.
June 1 » First flight of the German Focke-Wulf Fw 190 fighter aircraft.
July 4 » Lou Gehrig, recently diagnosed with Amyotrophic lateral sclerosis, informs a crowd at Yankee Stadium that he considers himself "The luckiest man on the face of the earth", then announces his retirement from major league baseball.
August 31 » Nazi Germany mounts a false flag attack on the Gleiwitz radio station, creating an excuse to attack Poland the following day, thus starting World War II in Europe.
September 1 » Adolf Hitler signs an order to begin the systematic euthanasia of mentally ill and disabled people.
September 10 » World War II: The submarine HMSOxley is mistakenly sunk by the submarine HMSTriton near Norway and becomes the Royal Navy's first loss of a submarine in the war.
Day of death February 14, 2006
The temperature on February 14, 2006 was between 2.9 °C and 8.7 °C and averaged 5.2 °C. There was 0.4 mm of rain during 1.4 hours. There was 1.5 hours of sunshine (15%). The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Friday, July 7, 2006 to Thursday, February 22, 2007 the cabinet Balkenende III, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
July 15 » Twitter, later one of the largest social media platforms in the world, is launched.
July 30 » The world's longest running music show Top of the Pops is broadcast for the last time on BBC Two. The show had aired for 42 years.
August 4 » A massacre is carried out by Sri Lankan government forces, killing 17 employees of the French INGO Action Against Hunger (known internationally as Action Contre la Faim, or ACF).
August 25 » Former Prime Minister of Ukraine Pavlo Lazarenko is sentenced to nine years imprisonment for money laundering, wire fraud, and extortion.
November 19 » Nintendo's first video game console with motion control, the Wii, is released.
December 6 » NASA reveals photographs taken by Mars Global Surveyor suggesting the presence of liquid water on Mars.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I249935.php : accessed February 21, 2026), "Harmanus Hendrikus "Herman" Mittendorff (1914-2006)".
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