The temperature on May 19, 1878 was about 17.7 °C. The air pressure was 39 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 52%. 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 19 » Thomas Edison patents the phonograph.
February 22 » In Utica, New York, Frank Woolworth opens the first of many of five-and-dime Woolworth stores.
September 1 » Emma Nutt becomes the world's first female telephone operator when she is recruited by Alexander Graham Bell to the Boston Telephone Dispatch Company.
September 3 » Over 640 die when the crowded pleasure boat Princess Alice collides with the Bywell Castle in the River Thames.
October 15 » The Edison Electric Light Company begins operation.
October 22 » The Bramall Lane stadium sees the first rugby match played under floodlights.
Day of marriage February 15, 1908
The temperature on February 15, 1908 was between 2.0 °C and 7.4 °C and averaged 4.9 °C. There was 7.7 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
January 15 » The Alpha Kappa Alpha sorority becomes the first Greek-letter organization founded and established by African American college women.
January 30 » Indian pacifist and leader Mohandas Karamchand Gandhi is released from prison by Jan C. Smuts after being tried and sentenced to two months in jail earlier in the month.
April 8 » Harvard University votes to establish the Harvard Business School.
May 26 » The first major commercial oil strike in the Middle East was made at Masjed Soleyman in southwest Persia. The rights to the resource were quickly acquired by the Anglo-Persian Oil Company.
July 25 » Ajinomoto is founded. Kikunae Ikeda of the Tokyo Imperial University discovers that a key ingredient in kombu soup stock is monosodium glutamate (MSG), and patents a process for manufacturing it.
November 28 » A mine explosion in Marianna, Pennsylvania, kills 154 men, leaving only one survivor.
Day of death May 5, 1961
The temperature on May 5, 1961 was between 11.8 °C and 16.7 °C and averaged 14.6 °C. There was 5.4 hours of sunshine (36%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 8 » In France a referendum supports Charles de Gaulle's policies in Algeria.
January 23 » The Portuguese luxury cruise ship Santa Maria is hijacked by opponents of the Estado Novo regime with the intention of waging war until dictator António de Oliveira Salazar is overthrown.
March 1 » United States President John F. Kennedy establishes the Peace Corps.
April 27 » Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.
July 20 » French military forces break the Tunisian siege of Bizerte.
November 29 » Project Mercury: Mercury-Atlas 5 Mission: Enos, a chimpanzee, is launched into space. The spacecraft orbits the Earth twice and splashes down off the coast of Puerto Rico.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I2669.php : accessed February 6, 2026), "Harmpje de Groot (1878-1961)".
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