The temperature on July 19, 1911 was between 11.4 °C and 22.0 °C and averaged 16.7 °C. There was 11.4 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
When copying data from this family tree, please include a reference to the origin: Hans Lington, "Database Langton / Lengton / Lington - Heil - Rahder", database, Genealogy Online (https://www.genealogieonline.nl/database-langton/I5806.php : accessed October 23, 2026), "Willem Herman Stenfert Kroese (1911-)".
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.