The temperature on January 12, 1866 was about 1.9 °C. There was 2 mm of rain. The air pressure was 2 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 83%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
In The Netherlands , there was from February 10, 1866 to June 1, 1866 the cabinet Fransen van de Putte, with I.D. Fransen van de Putte (liberaal) as prime minister.
From June 1, 1866 till June 4, 1868 the Netherlands had a cabinet Van Zuijlen van Nijevelt - Heemskerk with the prime ministers Mr. J.P.J.A. graaf Van Zuijlen van Nijevelt (AR) and Mr. J. Heemskerk Azn. (conservatief).
February 16 » Spencer Compton Cavendish, Marquess of Hartington becomes British Secretary of State for War.
April 8 » Italy and Prussia ally against the Austrian Empire.
May 5 » Memorial Day first celebrated in United States at Waterloo, New York.
July 25 » The United States Congress passes legislation authorizing the rank of General of the Army. Lieutenant General Ulysses S. Grant becomes the first to be promoted to this rank.
July 30 » Armed Confederate veterans in New Orleans riot against a meeting of Radical Republicans, killing 48 people and injuring another 100.
October 22 » A plebiscite ratifies the annexion of Veneto and Mantua to Italy, which had occurred three days before, on October 19.
Day of marriage June 28, 1902
The temperature on June 28, 1902 was between 13.7 °C and 29.4 °C and averaged 22.5 °C. There was 16.7 hours of sunshine (100%). Source: KNMI
April 20 » Pierre and Marie Curie refine radium chloride.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
June 24 » King Edward VII of the United Kingdom develops appendicitis, delaying his coronation.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
Day of death May 5, 1948
The temperature on May 5, 1948 was between 7.9 °C and 15.7 °C and averaged 12.0 °C. There was 3.5 hours of sunshine (23%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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).
April 9 » Fighters from the Irgun and Lehi Zionist paramilitary groups attacked Deir Yassin near Jerusalem, killing over 100.
April 30 » In Bogotá, Colombia, the Organization of American States is established.
May 13 » Arab–Israeli War: The Kfar Etzion massacre is committed by Arab irregulars, the day before the declaration of independence of the state of Israel on May 14.
June 7 » Edvard Beneš resigns as President of Czechoslovakia rather than signing the Ninth-of-May Constitution, making his nation a Communist state.
July 8 » The United States Air Force accepts its first female recruits into a program called Women in the Air Force (WAF).
September 4 » Queen Wilhelmina of the Netherlands abdicates for health reasons.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I152344.php : accessed October 24, 2026), "Marten Helmus (1866-1948)".
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