The temperature on March 7, 1915 was between 0.8 °C and 7.8 °C and averaged 3.5 °C. There was 4.2 mm of rain. There was 3.0 hours of sunshine (27%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northwest. 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 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
March 20 » Albert Einstein publishes his general theory of relativity.
May 1 » The RMSLusitania departs from New York City on her 202nd, and final, crossing of the North Atlantic. Six days later, the ship is torpedoed off the coast of Ireland with the loss of 1,198 lives.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
July 24 » The passenger ship SSEastland capsizes while tied to a dock in the Chicago River. A total of 844 passengers and crew are killed in the largest loss of life disaster from a single shipwreck on the Great Lakes.
Day of death April 13, 2009
The temperature on April 13, 2009 was between 6.9 °C and 18.1 °C and averaged 11.6 °C. There was 9.5 hours of sunshine (69%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Thursday, February 22, 2007 to Thursday, October 14, 2010 the cabinet Balkenende IV, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
May 25 » North Korea allegedly tests its second nuclear device, after which Pyongyang also conducts several missile tests, building tensions in the international community.
June 5 » After 65 straight days of civil disobedience, at least 31 people are killed in clashes between security forces and indigenous people near Bagua, Peru.
August 19 » A series of bombings in Baghdad, Iraq, kills 101 and injures 565 others.
September 26 » Typhoon Ketsana hits the Philippines, China, Vietnam, Cambodia, Laos and Thailand, causing 700 fatalities.
October 9 » First lunar impact of NASA's Lunar Precursor Robotic Program.
December 8 » Bombings in Baghdad, Iraq, kill 127 people and injure 448 others.
When copying data from this family tree, please include a reference to the origin: Hermannus Wulff, "Family tree Wolf-Wulff", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wolf-wulff/I797.php : accessed February 4, 2026), "Trijntje Wulff (1915-2009)".
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