The temperature on December 18, 1910 was between 1.9 °C and 8.7 °C and averaged 5.9 °C. There was 1.3 mm of rain. There was 2.7 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
April 16 » The oldest existing indoor ice hockey arena still used for the sport in the 21st century, Boston Arena, opens for the first time.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
October 1 » A large bomb destroys the Los Angeles Times building, killing 21.
October 5 » In a revolution in Portugal the monarchy is overthrown and a republic is declared.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of marriage May 8, 1941
The temperature on May 8, 1941 was between -1.7 °C and 11.8 °C and averaged 5.3 °C. There was 0.7 mm of rain during 0.3 hours. There was 8.4 hours of sunshine (55%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
April 6 » World War II: Nazi Germany launches Operation 25 (the invasion of Kingdom of Yugoslavia) and Operation Marita (the invasion of Greece).
June 14 » June deportation: the first major wave of Soviet mass deportations and murder of Estonians, Latvians and Lithuanians, begins.
July 31 » The Holocaust: Under instructions from Adolf Hitler, Nazi official Hermann Göring, orders SS General Reinhard Heydrich to "submit to me as soon as possible a general plan of the administrative material and financial measures necessary for carrying out the desired Final Solution of the Jewish question."
September 4 » World War II: A German submarine makes the first attack of the war against a United States warship, the USSGreer.
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.
December 16 » World War II: Japanese forces occupy Miri, Sarawak.
Day of death January 29, 1959
The temperature on January 29, 1959 was between -4.5 °C and 5.5 °C and averaged -1.2 °C. There was 0.1 mm of rain. There was 7.1 hours of sunshine (80%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 30 » MSHans Hedtoft, said to be the safest ship afloat and "unsinkable" like the RMSTitanic, strikes an iceberg on her maiden voyage and sinks, killing all 95 aboard.
April 8 » The Organization of American States drafts an agreement to create the Inter-American Development Bank.
July 1 » Specific values for the international yard, avoirdupois pound and derived units (e.g. inch, mile and ounce) are adopted after agreement between the US, the United Kingdom and other Commonwealth countries.
August 21 » United States President Dwight D. Eisenhower signs an executive order proclaiming Hawaii the 50th state of the union. Hawaii's admission is currently commemorated by Hawaii Admission Day.
September 12 » Bonanza premieres, the first regularly scheduled TV program presented in color.
September 12 » The Soviet Union launches a large rocket, Lunik II, at the moon.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I67083.php : accessed February 16, 2026), "Cornelis van Keulen (1910-1959)".
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