The temperature on March 6, 1874 was about 3.3 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 78 cm mercury. The atmospheric humidity was 93%. Source: KNMI
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
February 28 » One of the longest cases ever heard in an English court ends when the defendant is convicted of perjury for attempting to assume the identity of the heir to the Tichborne baronetcy.
March 18 » Hawaii signs a treaty with the United States granting exclusive trade rights.
May 16 » A flood on the Mill River in Massachusetts destroys much of four villages and kills 139 people.
July 8 » The Mounties begin their March West.
July 31 » Dr. Patrick Francis Healy became the first African-American inaugurated as president of a predominantly white university, Georgetown University.
August 5 » Japan launches its postal savings system, modeled after a similar system in the United Kingdom.
Day of marriage July 3, 1897
The temperature on July 3, 1897 was about 17.6 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 85%. Source: KNMI
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 21 » Oldsmobile, an American automobile manufacturer and marque, is founded.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death January 8, 1944
The temperature on January 8, 1944 was between -0.3 °C and 7.5 °C and averaged 4.5 °C. There was 1.0 mm of rain during 1.7 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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/I51147.php : accessed September 27, 2026), "Jan Helder (1874-1944)".
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