The temperature on August 12, 1910 was between 7.9 °C and 18.5 °C and averaged 14.8 °C. There was 1.8 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 15 » Construction ends on the Buffalo Bill Dam in Wyoming, United States, which was the highest dam in the world at the time, at 325ft (99m).
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
June 19 » The first Father's Day is celebrated in Spokane, Washington.
July 16 » John Robertson Duigan makes the first flight of the Duigan pusher biplane, the first aircraft built in Australia.
October 20 » The hull of the RMSOlympic, sister-ship to the ill-fated RMS Titanic, is launched from the Harland and Wolff shipyard in Belfast.
Day of marriage March 13, 1941
The temperature on March 13, 1941 was between -1.4 °C and 11.9 °C and averaged 4.6 °C. There was 10.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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.
March 11 » World War II: United States President Franklin D. Roosevelt signs the Lend-Lease Act into law, allowing American-built war supplies to be shipped to the Allies on loan.
April 15 » In the Belfast Blitz, two-hundred bombers of the German Luftwaffe attack Belfast, killing around one thousand people.
May 31 » Anglo-Iraqi War: The United Kingdom completes the re-occupation of Iraq and returns 'Abd al-Ilah to power as regent for Faisal II.
August 15 » Corporal Josef Jakobs is executed by firing squad at the Tower of London at 07:12, making him the last person to be executed at the Tower for espionage.
September 8 » World War II: German forces begin the Siege of Leningrad.
November 12 » World War II: Temperatures around Moscow drop to -12°C as the Soviet Union launches ski troops for the first time against the freezing German forces near the city.
Day of death July 8, 1965
The temperature on July 8, 1965 was between 10.0 °C and 16.0 °C and averaged 12.1 °C. There was 29.9 mm of rain during 7.0 hours. There was 4.0 hours of sunshine (24%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
March 30 » Vietnam War: A car bomb explodes in front of the United States Embassy, Saigon, killing 22 and wounding 183 others.
April 29 » Pakistan's Space and Upper Atmosphere Research Commission (SUPARCO) successfully launches its seventh rocket in its Rehber series.
November 8 » The British Indian Ocean Territory is created, consisting of Chagos Archipelago, Aldabra, Farquhar and Des Roches islands.
December 9 » A Charlie Brown Christmas, first in a series of Peanuts television specials, debuts on CBS.
December 9 » Kecksburg UFO incident: A fireball is seen from Michigan to Pennsylvania; witnesses report something crashing in the woods near Pittsburgh.
December 22 » In the United Kingdom, a 70mph speed limit is applied to all rural roads including motorways for the first time.
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/I102995.php : accessed February 19, 2026), "Steven Boersma (1910-1965)".
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