The temperature on October 4, 1889 was about 12.5 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 87%. Source: KNMI
January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
February 9 » US president Grover Cleveland signs a bill elevating the United States Department of Agriculture to a Cabinet-level agency.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
August 4 » The Great Fire of Spokane, Washington destroys some 32 blocks of the city, prompting a mass rebuilding project.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 8 » Montana is admitted as the 41st U.S. state.
Day of marriage February 14, 1914
The temperature on February 14, 1914 was between 7.1 °C and 11.2 °C and averaged 9.2 °C. There was 8.1 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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.
February 26 » HMHSBritannic, sister to the RMSTitanic, is launched at Harland and Wolff shipyard in Belfast.
June 28 » Archduke Franz Ferdinand of Austria and his wife Sophie are assassinated in Sarajevo; this is the casus belli of World War I.
July 23 » Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia accepts all but one of those demands and Austria declares war on July 28.
August 9 » Start of the Battle of Mulhouse, part of a French attempt to recover the province of Alsace and the first French offensive of World War I.
September 9 » World War I: The creation of the Canadian Automobile Machine Gun Brigade, the first fully mechanized unit in the British Army.
December 23 » World War I: Australian and New Zealand troops arrive in Cairo, Egypt.
Day of death May 10, 1966
The temperature on May 10, 1966 was between 5.6 °C and 13.8 °C and averaged 9.5 °C. There was 0.1 mm of rain. There was 1.5 hours of sunshine (10%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
February 28 » A NASA T-38 Talon crashes into the McDonnell Aircraft factory while attempting a poor-visibility landing at Lambert Field, St. Louis, killing astronauts Elliot See and Charles Bassett.
July 18 » A racially charged incident in a bar sparks the six-day Hough riots in Cleveland, Ohio; 1,700 Ohio National Guard troops intervene to restore order.
July 30 » England defeats West Germany to win the 1966 FIFA World Cup at Wembley Stadium after extra time.
August 29 » Leading Egyptian thinker Sayyid Qutb is executed for plotting the assassination of President Gamal Abdel Nasser.
September 30 » Bechuanaland declares its independence, and becomes the Republic of Botswana.
October 9 » Vietnam War: South Korean troops commit the Binh Tai Massacre.
When copying data from this family tree, please include a reference to the origin: Ronald van 't Hoff, "Family tree Van 't Hoff - Zondag - Bosch - de Zwaan - vd Kolk - Westhuis - Plomp", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-t-hoff/I8482.php : accessed March 1, 2026), "Klaas Groenink (1889-1966)".
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