The temperature on August 31, 1909 was between 8.4 °C and 15.8 °C and averaged 11.7 °C. There was 11.8 mm of rain. There was 5.9 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 22 » The sixteen battleships of the Great White Fleet, led by USSConnecticut, return to the United States after a voyage around the world.
February 23 » The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
March 31 » Serbia formally withdraws its opposition to Austro-Hungarian actions in the Bosnian Crisis.
April 14 » A massacre is organized by the Ottoman Empire against the Armenian population of Cilicia.
July 16 » Persian Constitutional Revolution: Mohammad Ali Shah Qajar is forced out as Shah of Persia and is replaced by his son Ahmad Shah Qajar.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
Day of death February 17, 1940
The temperature on February 17, 1940 was between -5.9 °C and -1.1 °C and averaged -3.4 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
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.
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 29 » Finland initiates Winter War peace negotiations.
April 9 » Vidkun Quisling seizes power in Norway.
May 7 » World War II: The Norway Debate in the British House of Commons begins, and leads to the replacement of Prime Minister Neville Chamberlain with Winston Churchill three days later.
May 20 » The Holocaust: The first prisoners arrive at a new concentration camp at Auschwitz.
August 30 » The Second Vienna Award reassigns the territory of Northern Transylvania from Romania to Hungary.
November 10 » The 1940 Vrancea earthquake strikes Romania killing an estimated 1,000 and injuring approximately 4,000 more.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I3565.php : accessed December 31, 2025), "Johannes Franciscus Helmich (1852-1940)".
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.