The temperature on February 19, 1915 was between 5.2 °C and 8.5 °C and averaged 6.7 °C. There was 0.8 mm of rain. There was 3.6 hours of sunshine (35%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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.
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.
March 26 » The Vancouver Millionaires win the 1915 Stanley Cup Finals, the first championship played between the Pacific Coast Hockey Association and the National Hockey Association.
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.
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.
September 15 » The Empire Picture Theatre (now The New Empire Cinema), the oldest running cinema in mainland Australia, opens in Bowral, New South Wales.
Day of marriage July 16, 1945
The temperature on July 16, 1945 was between 12.4 °C and 22.8 °C and averaged 18.5 °C. There was 11.0 hours of sunshine (68%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
March 21 » World War II: Operation Carthage: Royal Air Force planes bomb Gestapo headquarters in Copenhagen, Denmark. They also accidentally hit a school, killing 125 civilians.
March 22 » World War II: The city of Hildesheim, Germany heavily damaged in a British air raid, though it had little military significance and Germany was on the verge of final defeat.
May 2 » World War II: The surrender of Caserta comes into effect, by which German troops in Italy cease fighting.
July 16 » World War II: The heavy cruiser USSIndianapolis leaves San Francisco with parts for the atomic bomb "Little Boy" bound for Tinian Island.
July 26 » World War II: HMSVestal is the last British Royal Navy ship to be sunk in the war.
October 25 » Fifty years of Japanese administration of Taiwan formally ends when the Republic of China assumes control.
Day of death May 17, 1966
The temperature on May 17, 1966 was between 12.7 °C and 26.4 °C and averaged 18.4 °C. There was 11.2 hours of sunshine (71%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
May 15 » After a policy dispute, Prime Minister Nguyễn Cao Kỳ of South Vietnam's ruling junta launches a military attack on the forces of General Tôn Thất Đính, forcing him to abandon his command.
June 30 » The National Organization for Women, the United States' largest feminist organization, is founded.
September 16 » The Metropolitan Opera House opens at Lincoln Center in New York City with the world premiere of Samuel Barber's opera Antony and Cleopatra.
October 9 » Vietnam War: South Korean troops commit the Binh Tai Massacre.
October 22 » The Soviet Union launches Luna 12.
November 28 » Michel Micombero overthrows the monarchy of Burundi and makes himself the first president.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I6786.php : accessed February 14, 2026), "Helena Johanna Janssen (1915-1966)".
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