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
May 21 » President of Mexico Porfirio Díaz and the revolutionary Francisco Madero sign the Treaty of Ciudad Juárez to put an end to the fighting between the forces of both men, concluding the initial phase of the Mexican Revolution.
July 1 » Germany despatches the gunship SMSPanther to Morocco, sparking the Agadir Crisis.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
August 29 » Ishi, considered the last Native American to make contact with European Americans, emerges from the wilderness of northeastern California.
September 7 » French poet Guillaume Apollinaire is arrested and put in jail on suspicion of stealing the Mona Lisa from the Louvre museum.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
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.
March 17 » In Washington, D.C., the National Gallery of Art is officially opened by President Franklin D. Roosevelt.
June 1 » World War II: The Battle of Crete ends as Crete capitulates to Germany.
September 20 » The Holocaust in Lithuania: Lithuanian Nazis and local police murder 403 Jews in Nemenčinė.
October 11 » Beginning of the National Liberation War of Macedonia.
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.
December 25 » Admiral Émile Muselier seizes the archipelago of Saint Pierre and Miquelon, which become the first part of France to be liberated by the Free French Forces.
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 21 » The current Emley Moor transmitting station, the tallest free-standing structure in the United Kingdom, begins transmitting UHF broadcasts.
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 11 » The U.S. Government forcibly removes the last holdouts to the Native American Occupation of Alcatraz, ending 19 months of control.
July 31 » Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
September 20 » Having weakened after making landfall in Nicaragua the previous day, Hurricane Irene regains enough strength to be renamed Hurricane Olivia, making it the first known hurricane to cross from the Atlantic Ocean into the Pacific.
November 10 » In Cambodia, Khmer Rouge forces attack the city of Phnom Penh and its airport, killing 44, wounding at least 30 and damaging nine aircraft.
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 22, 2026), "Luitjen Slopsema (1911-1971)".
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