The temperature on October 20, 1879 was about 9.2 °C. There was 3 mm of rain. The air pressure was 7 kgf/m2 and came mainly from the west-southwest. The airpressure was 74 cm mercury. The atmospheric humidity was 93%. 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.
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
May 2 » The Spanish Socialist Workers' Party is founded in Madrid by Pablo Iglesias.
July 1 » Charles Taze Russell publishes the first edition of the religious magazine The Watchtower.
September 3 » Siege of the British Residency in Kabul: British envoy Sir Louis Cavagnari and 72 men of the Guides are massacred by Afghan troops while defending the British Residency in Kabul. Their heroism and loyalty became famous and revered throughout the British Empire.
December 21 » World premiere of Henrik Ibsen's A Doll's House at the Royal Theatre in Copenhagen, Denmark.
December 31 » Thomas Edison demonstrates incandescent lighting to the public for the first time, in Menlo Park, New Jersey.
Day of marriage March 29, 1901
The temperature on March 29, 1901 was between -2.7 °C and 3.8 °C and averaged -0.6 °C. There was 5.0 hours of sunshine (39%). Source: KNMI
January 1 » Nigeria becomes a British protectorate.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
September 7 » The Boxer Rebellion in Qing dynasty (modern-day China) officially ends with the signing of the Boxer Protocol.
November 1 » Sigma Phi Epsilon, the largest national male collegiate fraternity, is established at Richmond College, in Richmond, Virginia.
December 3 » In a State of the Union message, U.S. President Theodore Roosevelt delivers a 20,000-word speech to the House of Representatives asking Congress to curb the power of trusts "within reasonable limits".
Day of death April 10, 1961
The temperature on April 10, 1961 was between 4.7 °C and 16.1 °C and averaged 9.9 °C. There was 11.2 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
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.
January 26 » John F. Kennedy appoints Janet G. Travell to be the first woman Physician to the President.
May 19 » Venera program: Venera 1 becomes the first man-made object to fly by another planet by passing Venus (the probe had lost contact with Earth a month earlier and did not send back any data).
May 31 » The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership.
November 21 » The "La Ronde" opens in Honolulu, first revolving restaurant in the United States.
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: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I76705.php : accessed January 27, 2026), "Hendrik de Roo (1879-1961)".
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