The temperature on June 13, 1911 was between 5.3 °C and 17.0 °C and averaged 11.6 °C. There was 5.2 mm of rain. There was 7.3 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
August 21 » The Mona Lisa is stolen by Vincenzo Peruggia, a Louvre employee.
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 5 » The Kowloon–Canton Railway commences service.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage March 21, 1936
The temperature on March 21, 1936 was between 4.1 °C and 17.6 °C and averaged 11.3 °C. There was 8.7 hours of sunshine (71%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
May 5 » Italian troops occupy Addis Ababa, Ethiopia.
May 28 » Alan Turing submits On Computable Numbers for publication.
September 9 » The crews of Portuguese Navy frigate NRPAfonso de Albuquerque and destroyer Dão mutinied against the Salazar dictatorship's support of General Franco's coup and declared their solidarity with the Spanish Republic.
September 10 » First World Individual Motorcycle Speedway Championship, Held at London's (England) Wembley Stadium
November 8 » Spanish Civil War: Francoist troops fail in their effort to capture Madrid, but begin the 3-year Siege of Madrid afterwards.
Day of death April 1, 1997
The temperature on April 1, 1997 was between 0.9 °C and 17.3 °C and averaged 8.7 °C. There was 12.2 hours of sunshine (94%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
February 4 » En route to Lebanon, two Israeli Sikorsky CH-53 troop-transport helicopters collide in mid-air over northern Galilee, Israel killing 73.
April 18 » The Red River flood begins and soon overwhelms the city of Grand Forks, North Dakota. Fire breaks out and spreads in downtown Grand Forks, but high water levels hamper efforts to reach the fire, leading to the destruction of 11 buildings.
July 5 » Sri Lankan Civil War: Sri Lankan Tamil MP A. Thangathurai is shot dead at Sri Shanmuga Hindu Ladies College in Trincomalee.
August 3 » The tallest free-standing structure in the Southern Hemisphere, Sky Tower in downtown Auckland, New Zealand, opens after two-and-a-half years of construction.
October 15 » The Cassini probe launches from Cape Canaveral on its way to Saturn.
December 22 » Acteal massacre: Attendees at a prayer meeting of Roman Catholic activists for indigenous causes in the small village of Acteal in the Mexican state of Chiapas are massacred by paramilitary forces.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I16563.php : accessed February 20, 2026), "Klaas Slagter (1911-1997)".
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