The temperature on April 23, 1915 was between 0.1 °C and 11.3 °C and averaged 6.5 °C. There was 9.0 hours of sunshine (63%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. 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.
January 28 » An act of the U.S. Congress creates the United States Coast Guard as a branch of the United States Armed Forces.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
September 5 » The pacifist Zimmerwald Conference begins.
Day of death April 25, 2011
The temperature on April 25, 2011 was between 7.8 °C and 23.9 °C and averaged 16.7 °C. There was 13.4 hours of sunshine (92%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
March 19 » Libyan Civil War: After the failure of Muammar Gaddafi's forces to take Benghazi, the French Air Force launches Opération Harmattan, beginning foreign military intervention in Libya.
May 1 » Pope John Paul II is beatified by his successor, Pope Benedict XVI.
June 1 » Space Shuttle Endeavour makes its final landing after 25 flights.
July 10 » Russian cruise ship Bulgaria sinks in Volga near Syukeyevo, Tatarstan, causing 122 deaths.
September 7 » A plane crash in Russia kills 43 people, including nearly the entire roster of the Lokomotiv Yaroslavl Kontinental Hockey League team.
September 20 » The United States military ends its "Don't ask, don't tell" policy, allowing gay men and women to serve openly for the first time.
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/I219470.php : accessed October 20, 2026), "Cornelis Jansma (1915-2011)".
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