The temperature on July 30, 1913 was between 11.1 °C and 20.7 °C and averaged 16.0 °C. There was 11.6 hours of sunshine (74%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. 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.
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.
June 19 » Natives Land Act, 1913 in South Africa implemented.
December 21 » Arthur Wynne's "word-cross", the first crossword puzzle, is published in the New York World.
Day of marriage May 15, 1937
The temperature on May 15, 1937 was between 10.2 °C and 16.3 °C and averaged 12.5 °C. There was 12.5 mm of rain during 9.2 hours. There was 0.7 hours of sunshine (4%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 19 » Howard Hughes sets a new air record by flying from Los Angeles to New York City in 7 hours, 28 minutes, 25 seconds.
April 1 » Aden becomes a British crown colony.
April 1 » Spanish Civil War: Jaén, Spain is bombed by German fascist forces, supporting Francoist Nationalists.
April 9 » The Kamikaze arrives at Croydon Airport in London. It is the first Japanese-built aircraft to fly to Europe.
June 30 » The world's first emergency telephone number, 999, is introduced in London.
July 8 » Turkey, Iran, Iraq and Afghanistan sign the Treaty of Saadabad.
Day of death April 8, 2011
The temperature on April 8, 2011 was between 3.5 °C and 16.3 °C and averaged 10.0 °C. There was 11.6 hours of sunshine (87%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Thursday, October 14, 2010 to Monday, November 5, 2012 the cabinet Rutte I, with Mark Rutte (VVD) as prime minister.
February 19 » The debut exhibition of the Belitung shipwreck, containing the largest collection of Tang dynasty artifacts found in one location, begins in Singapore.
March 11 » An earthquake measuring 9.0 in magnitude strikes 130km (81mi) east of Sendai, Japan, triggering a tsunami killing thousands of people. This event also triggered the second largest nuclear accident in history, and one of only two events to be classified as a Level 7 on the International Nuclear Event Scale.
March 12 » A reactor at the Fukushima Daiichi Nuclear Power Plant explodes and releases radioactivity into the atmosphere a day after the 2011 Tōhoku earthquake and tsunami.
March 15 » Beginning of the Syrian Civil War.
April 6 » In San Fernando, Tamaulipas, Mexico, over 193 victims of Los Zetas were exhumed from several mass graves.
May 16 » STS-134 (ISS assembly flight ULF6), launched from the Kennedy Space Center on the 25th and final flight for Space Shuttle Endeavour.
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/I136275.php : accessed October 10, 2026), "Luitzen Klaver (1913-2011)".
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.