The temperature on April 24, 1878 was about 18.4 °C. The air pressure was 6 kgf/m2 and came mainly from the east-northeast. The airpressure was 75 cm mercury. The atmospheric humidity was 47%. Source: KNMI
In The Netherlands , there was from November 3, 1877 to August 20, 1879 the cabinet Kappeijne van de Coppello, with Mr. J. Kappeijne van de Coppello (liberaal) as prime minister.
February 22 » In Utica, New York, Frank Woolworth opens the first of many of five-and-dime Woolworth stores.
March 24 » The British frigate HMSEurydice sinks, killing more than 300.
June 15 » Eadweard Muybridge takes a series of photographs to prove that all four feet of a horse leave the ground when it runs; the study becomes the basis of motion pictures.
July 1 » Canada joins the Universal Postal Union.
October 15 » The Edison Electric Light Company begins operation.
November 17 » First assassination attempt against Umberto I of Italy by anarchist Giovanni Passannante, who was armed with a dagger. The King survived with a slight wound in an arm. Prime Minister Benedetto Cairoli blocked the aggressor, receiving an injury in a leg.
Day of marriage October 19, 1911
The temperature on October 19, 1911 was between -0.6 °C and 16.5 °C and averaged 8.4 °C. There was 6.0 hours of sunshine (57%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
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 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
Day of death August 14, 1953
The temperature on August 14, 1953 was between 10.6 °C and 26.4 °C and averaged 18.5 °C. There was 12.0 hours of sunshine (81%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
February 11 » Cold War: U.S. President Dwight D. Eisenhower denies all appeals for clemency for Julius and Ethel Rosenberg.
February 28 » James Watson and Francis Crick announce to friends that they have determined the chemical structure of DNA; the formal announcement takes place on April 25 following publication in April's Nature (pub. April 2).
March 18 » An earthquake hits western Turkey, killing 265 people.
July 17 » The largest number of United States midshipman casualties in a single event results from an aircraft crash in Florida, killing 44.
August 10 » First Indochina War: The French Union withdraws its forces from Operation Camargue against the Viet Minh in central Vietnam.
December 6 » Vladimir Nabokov completes his controversial novel Lolita.
When copying data from this family tree, please include a reference to the origin: Arie Verloop, "Family tree Verloop", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-verloop/I3754.php : accessed March 6, 2026), "Jan Willem HARMANS (1878-1953)".
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