The temperature on July 15, 1915 was between 10.6 °C and 17.5 °C and averaged 14.0 °C. There was 11.9 mm of rain. There was 6.5 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 22 » Lassen Peak erupts with a powerful force, the only volcano besides Mount St. Helens to erupt in the contiguous U.S. during the 20th century.
May 22 » Three trains collide in the Quintinshill rail disaster near Gretna Green, Scotland, killing 227 people and injuring 246.
August 29 » US Navy salvage divers raise F-4, the first U.S. submarine sunk in an accident.
September 5 » The pacifist Zimmerwald Conference begins.
Day of marriage April 8, 1944
The temperature on April 8, 1944 was between 0.9 °C and 15.7 °C and averaged 9.9 °C. There was 8.7 hours of sunshine (65%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 31 » World War II: During the Anzio campaign, the 1st Ranger Battalion (Darby's Rangers) is destroyed behind enemy lines in a heavily outnumbered encounter at Battle of Cisterna, Italy.
February 7 » World War II: In Anzio, Italy, German forces launch a counteroffensive during the Allied Operation Shingle.
February 15 » World War II: The Narva Offensive begins.
February 22 » World War II: The Soviet Red Army recaptures Krivoi Rog.
June 22 » U.S. President Franklin D. Roosevelt signs into law the Servicemen's Readjustment Act of 1944, commonly known as the G.I. Bill.
December 16 » World War II: The Battle of the Bulge begins with the surprise offensive of three German armies through the Ardennes forest.
Day of death January 16, 1970
The temperature on January 16, 1970 was between 0.1 °C and 4.3 °C and averaged 2.9 °C. There was 9.0 mm of rain during 3.8 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
April 1 » President Richard Nixon signs the Public Health Cigarette Smoking Act into law, requiring the Surgeon General's warnings on tobacco products and banning cigarette advertising on television and radio in the United States, effective 1 January 1971.
April 24 » The Gambia becomes a republic within the Commonwealth of Nations, with Dawda Jawara as its first President.
July 23 » Qaboos bin Said al Said becomes Sultan of Oman after overthrowing his father, Said bin Taimur initiating massive reforms, modernization programs and end to a decade long civil war.
September 1 » Palestinian guerrillas attack the motorcade of King Hussein of Jordan in a failed assassination attempt.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
December 2 » The United States Environmental Protection Agency begins operations.
When copying data from this family tree, please include a reference to the origin: Matthijs Roelfes, "Family tree Roelfes", database, Genealogy Online (https://www.genealogieonline.nl/roelfes-stamboom/I0072.php : accessed February 17, 2026), "Jan Willem Rolfers (1915-1970)".
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