January 8 » Herman Hollerith is issued US patent #395,791 for the 'Art of Applying Statistics' — his punched card calculator.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage June 20, 1914
The temperature on June 20, 1914 was between 8.5 °C and 24.1 °C and averaged 17.7 °C. There was 10.9 hours of sunshine (65%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
May 29 » The Ocean liner RMSEmpress of Ireland sinks in the Gulf of Saint Lawrence with the loss of 1,012 lives.
June 23 » Mexican Revolution: Pancho Villa takes Zacatecas from Victoriano Huerta.
August 6 » World War I: Serbia declares war on Germany; Austria declares war on Russia.
August 15 » The Panama Canal opens to traffic with the transit of the cargo ship SSAncon.
October 5 » World War I: An aircraft successfully destroys another aircraft with gunfire.
December 8 » World War I: A squadron of Britain's Royal Navy defeats the Imperial German East Asia Squadron in the Battle of the Falkland Islands in the South Atlantic.
Day of death April 23, 1962
The temperature on April 23, 1962 was between 6.6 °C and 15.9 °C and averaged 11.3 °C. There was 8.2 hours of sunshine (57%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
February 10 » Roy Lichtenstein's first solo exhibition opened, and it included Look Mickey, which featured his first employment of Ben-Day dots, speech balloons and comic imagery sourcing, all of which he is now known for.
April 21 » The Seattle World's Fair (Century 21 Exposition) opens. It is the first World's Fair in the United States since World War II.
July 6 » As a part of Operation Plowshare, the Sedan nuclear test takes place.
September 25 » The People's Democratic Republic of Algeria is formally proclaimed. Ferhat Abbas is elected President of the provisional government.
October 9 » Uganda becomes an independent Commonwealth realm.
October 28 » Cuban Missile Crisis: Premier Nikita Khrushchev orders the removal of Soviet missiles from Cuba.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Descendants Heeres", database, Genealogy Online (https://www.genealogieonline.nl/parenteel_heeres/I1099050910.php : accessed March 11, 2026), "Arend van Lohuizen (1889-1962)".
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