The temperature on July 9, 1911 was between 10.2 °C and 18.0 °C and averaged 14.5 °C. There was 4.7 hours of sunshine (28%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 21 » The first Monte Carlo Rally takes place.
January 26 » Glenn Curtiss flies the first successful American seaplane.
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
September 29 » Italy declares war on the Ottoman Empire.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of marriage July 9, 1941
The temperature on July 9, 1941 was between 18.0 °C and 32.0 °C and averaged 25.1 °C. There was 14.3 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south 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.
May 9 » World War II: The German submarine U-110 is captured by the Royal Navy. On board is the latest Enigma machine which Allied cryptographers later use to break coded German messages.
August 24 » Adolf Hitler orders the cessation of Nazi Germany's systematic T4 euthanasia program of the mentally ill and the handicapped due to protests, although killings continue for the remainder of the war.
August 31 » World War II: Serbian paramilitary forces defeat Germans in the Battle of Loznica.
September 30 » World War II: The Babi Yar massacre comes to an end.
November 24 » World War II: The United States grants Lend-Lease to the Free French Forces.
December 21 » World War II: A formal treaty of alliance between Thailand and Japan is signed in the presence of the Emerald Buddha in Wat Phra Kaew, Thailand.
Day of death September 2, 1971
The temperature on September 2, 1971 was between 8.7 °C and 20.6 °C and averaged 15.0 °C. There was 10.8 hours of sunshine (79%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
January 31 » Apollo program: Apollo 14: Astronauts Alan Shepard, Stuart Roosa, and Edgar Mitchell, aboard a Saturn V, lift off for a mission to the Fra Mauro Highlands on the Moon.
June 30 » The crew of the Soviet Soyuz 11 spacecraft are killed when their air supply escapes through a faulty valve.
August 22 » J. Edgar Hoover and John Mitchell announce the arrest of 20 of the Camden 28.
September 11 » The Egyptian Constitution becomes official.
October 1 » Walt Disney World opens near Orlando, Florida.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I90353.php : accessed October 23, 2026), "Luitjen Slopsema (1911-1971)".
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