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.
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.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
April 18 » French pilot Roland Garros is shot down and glides to a landing on the German side of the lines during World War I.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
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.
February 17 » World War II: The Battle of Eniwetok begins: The battle ends in an American victory on February 22.
April 26 » Georgios Papandreou becomes head of the Greek government-in-exile based in Egypt.
April 28 » World War II: Nine German E-boats attacked US and UK units during Exercise Tiger, the rehearsal for the Normandy landings, killing 946.
June 11 » USSMissouri, the last battleship built by the United States Navy and future site of the signing of the Japanese Instrument of Surrender, is commissioned.
September 17 » World War II: Allied airborne troops parachute into the Netherlands as the "Market" half of Operation Market Garden.
October 20 » Liquefied natural gas leaks from storage tanks in Cleveland and then explodes, leveling 30 blocks and killing 130 people.
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
January 12 » Biafra capitulates, ending the Nigerian Civil War.
April 28 » Vietnam War: U.S. President Richard Nixon formally authorizes American combat troops to take part in the Cambodian campaign.
August 29 » Chicano Moratorium against the Vietnam War, East Los Angeles, California. Police riot kills three people, including journalist Rubén Salazar.
September 9 » A British airliner is hijacked by the Popular Front for the Liberation of Palestine and flown to Dawson's Field in Jordan.
September 19 » Michael Eavis hosts the first Glastonbury Festival.
December 17 » Polish protests: In Gdynia, soldiers fire at workers emerging from trains, killing dozens.
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)".
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.