The temperature on April 11, 1889 was about 9.5 °C. The air pressure was 3 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 89%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 11 » Meiji Constitution of Japan is adopted.
March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
November 8 » Montana is admitted as the 41st U.S. state.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of marriage March 17, 1917
The temperature on March 17, 1917 was between 3.2 °C and 10.3 °C and averaged 6.1 °C. There was 0.2 mm of rain. There was 8.6 hours of sunshine (72%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
April 12 » World War I: Canadian forces successfully complete the taking of Vimy Ridge from the Germans.
July 6 » World War I: Arabian troops led by T. E. Lawrence ("Lawrence of Arabia") and Auda ibu Tayi capture Aqaba from the Ottoman Empire during the Arab Revolt.
July 20 » World War I: The Corfu Declaration, which leads to the creation of the post-war Kingdom of Yugoslavia, is signed by the Yugoslav Committee and Kingdom of Serbia.
October 24 » First World War: Italy suffers a disastrous defeat on the Austro-Italian front.
November 28 » The Estonian Provincial Assembly declares itself the sovereign power of Estonia.
December 6 » Halifax Explosion: A munitions explosion near Halifax, Nova Scotia kills more than 1,900 people in the largest artificial explosion up to that time.
Day of death September 14, 1961
The temperature on September 14, 1961 was between 12.7 °C and 18.5 °C and averaged 15.3 °C. There was 4.6 mm of rain during 1.7 hours. There was 2.6 hours of sunshine (20%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 17 » Former Congolese Prime Minister Patrice Lumumba is murdered in circumstances suggesting the support and complicity of the governments of Belgium and the United States.
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.
April 27 » Sierra Leone is granted its independence from the United Kingdom, with Milton Margai as the first Prime Minister.
May 21 » American civil rights movement: Alabama Governor John Malcolm Patterson declares martial law in an attempt to restore order after race riots break out.
July 12 » Indian city Pune floods due to failure of the Khadakwasla and Panshet dams, killing at least two thousand people.
September 20 » Greek general Konstantinos Dovas becomes Prime Minister of Greece.
When copying data from this family tree, please include a reference to the origin: Y. Slobbé, "Family tree Slobbé", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-slobbe/R2330.php : accessed February 19, 2026), "Jan Ettema (1889-1961)".
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