The temperature on April 14, 1915 was between 1.3 °C and 10.6 °C and averaged 5.7 °C. There was 1.7 mm of rain. There was 3.6 hours of sunshine (26%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. 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.
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.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
April 24 » The arrest of 250 Armenian intellectuals and community leaders in Istanbul marks the beginning of the Armenian Genocide.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
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.
Day of marriage May 5, 1934
The temperature on May 5, 1934 was between 8.0 °C and 17.0 °C and averaged 12.5 °C. There was 1.0 mm of rain during 2.1 hours. There was 8.6 hours of sunshine (57%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 12 » The strongest surface wind gust in the world at the time of 231mph, is measured on the summit of Mount Washington, New Hampshire. It has since been surpassed.
June 19 » The Communications Act of 1934 establishes the United States' Federal Communications Commission (FCC).
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
August 11 » The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
August 19 » The first All-American Soap Box Derby is held in Dayton, Ohio.
December 5 » Abyssinia Crisis: Italian troops attack Wal Wal in Abyssinia, taking four days to capture the city.
Day of death January 29, 1956
The temperature on January 29, 1956 was between 0.3 °C and 3.2 °C and averaged 1.7 °C. There was 4.3 mm of rain during 4.1 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
April 30 » Former Vice President and Democratic Senator Alben Barkley dies during a speech in Virginia.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
July 30 » A joint resolution of the U.S. Congress is signed by President Dwight D. Eisenhower, authorizing In God We Trust as the U.S. national motto.
November 2 » Suez Crisis: Israel occupies the Gaza Strip.
December 4 » The Million Dollar Quartet (Elvis Presley, Jerry Lee Lewis, Carl Perkins, and Johnny Cash) get together at Sun Studio for the first and last time.
December 6 » A violent water polo match between Hungary and the USSR takes place during the 1956 Summer Olympics in Melbourne, against the backdrop of the Hungarian Revolution of 1956.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I106917.php : accessed January 11, 2026), "Teunisje Lentz (1915-1956)".
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