The temperature on February 14, 1870 was about -4.5 °C. The air pressure was 21 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 81%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
February 15 » Stevens Institute of Technology is founded in New Jersey, USA and offers the first Bachelor of Engineering degree in Mechanical Engineering.
February 28 » The Bulgarian Exarchate is established by decree of Sultan Abdülaziz of the Ottoman Empire.
August 6 » Franco-Prussian War: The Battle of Spicheren is fought, resulting in a Prussian victory.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
October 27 » Franco-Prussian War: Marshal Bazaine surrenders to Prussian forces at the conclusion of the Siege of Metz along with 140,000 French soldiers.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
Day of marriage May 11, 1894
The temperature on May 11, 1894 was about 10.9 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 86%. Source: KNMI
In The Netherlands , there was from August 21, 1891 to May 9, 1894 the cabinet Van Tienhoven, with Mr. G. van Tienhoven (unie-liberaal) as prime minister.
In The Netherlands , there was from May 9, 1894 to July 27, 1897 the cabinet Roëll, with Jonkheer mr. J. Roëll (oud-liberaal) as prime minister.
March 22 » The first playoff game for the Stanley Cup starts.
April 21 » Norway formally adopts the Krag–Jørgensen bolt-action rifle as the main arm of its armed forces, a weapon that would remain in service for almost 50 years.
July 4 » The short-lived Republic of Hawaii is proclaimed by Sanford B. Dole.
July 22 » The first ever motor race is held in France between the cities of Paris and Rouen. The fastest finisher was the Comte Jules-Albert de Dion, but the 'official' victory was awarded to Albert Lemaître driving his 3hp petrol engined Peugeot.
August 25 » Kitasato Shibasaburō discovers the infectious agent of the bubonic plague and publishes his findings in The Lancet.
September 1 » Over 400 people die in the Great Hinckley Fire, a forest fire in Hinckley, Minnesota.
Day of death November 17, 1948
The temperature on November 17, 1948 was between 3.3 °C and 10.0 °C and averaged 6.4 °C. There was 1.6 mm of rain during 2.0 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
June 26 » William Shockley files the original patent for the grown-junction transistor, the first bipolar junction transistor.
July 8 » The United States Air Force accepts its first female recruits into a program called Women in the Air Force (WAF).
October 5 » The Ashgabat earthquake kills between 10,000 and 110,000 people.
November 1 » Six thousand people die when a Chinese merchant ship explodes and sinks off southern Manchuria.
November 22 » Chinese Civil War: Elements of the Chinese Communist Second Field Army under Liu Bocheng trap the Nationalist 12th Army, beginning the Shuangduiji Campaign, the largest engagement of the Huaihai Campaign.
December 22 » Sjafruddin Prawiranegara established the Emergency Government of the Republic of Indonesia (Pemerintah Darurat Republik Indonesia, PDRI) in West Sumatra.
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/I82909.php : accessed February 18, 2026), "Hinderikus Siersema (1870-1948)".
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