The temperature on May 2, 1915 was between 1.6 °C and 13.3 °C and averaged 9.0 °C. There was 1.0 mm of rain. There was 1.3 hours of sunshine (9%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
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.
August 15 » A story in New York World newspaper reveals that the Imperial German government had purchased excess phenol from Thomas Edison that could be used to make explosives for the war effort and diverted it to Bayer for aspirin production.
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
Day of death February 11, 1981
The temperature on February 11, 1981 was between -2.4 °C and 4.2 °C and averaged 0.6 °C. There was 0.6 mm of rain during 1.1 hours. There was 5.9 hours of sunshine (61%). 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 Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 28 » Ronald Reagan lifts remaining domestic petroleum price and allocation controls in the United States helping to end the 1979 energy crisis and begin the 1980s oil glut.
July 27 » While landing at Chihuahua International Airport, Aeromexico Flight 230 overshoots the runway. Thirty-two of the 66 passengers and crew on board the DC-9 are killed.
August 7 » The Washington Star ceases all operations after 128 years of publication.
October 6 » Egyptian President Anwar Sadat is murdered by Islamic extremists.
December 4 » South Africa grants independence to the Ciskei "homeland" (not recognized by any government outside South Africa).
December 19 » Sixteen lives are lost when the Penlee lifeboat goes to the aid of the stricken coaster Union Star in heavy seas.
When copying data from this family tree, please include a reference to the origin: A.R. Servaes, "Family tree Servaes, Maastricht/Venlo/Straelen/Neuss/Düsseldorf", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-servaes/I5809.php : accessed January 18, 2026), "Wilhelm "Willi" Heyer (1915-1981)".
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