The temperature on May 20, 1869 was about 14.9 °C. There was 0.1 mm of rain. The air pressure was 16 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 48%. 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).
March 6 » Dmitri Mendeleev presents the first periodic table to the Russian Chemical Society.
April 28 » Chinese and Irish laborers for the Central Pacific Railroad working on the First Transcontinental Railroad lay ten miles of track in one day, a feat which has never been matched.
September 24 » Gold prices plummet after President Grant orders the Treasury to sell large quantities of gold after Jay Gould and James Fisk plot to control the market.
October 5 » The Hennepin Island tunnel collapses during construction, nearly destroying St. Anthony Falls.
October 5 » The Saxby Gale devastates the Bay of Fundy region in Canada.
December 7 » American outlaw Jesse James commits his first confirmed bank robbery in Gallatin, Missouri.
Day of marriage April 28, 1900
The temperature on April 28, 1900 was about 6.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
May 17 » Second Boer War: British troops relieve Mafeking.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
June 20 » Baron Eduard Toll, leader of the Russian Polar Expedition of 1900, departs Saint Petersburg in Russia on the explorer ship Zarya, never to return.
September 8 » Galveston hurricane: A powerful hurricane hits Galveston, Texas killing about 8,000 people.
Day of death January 15, 1943
The temperature on January 15, 1943 was between -0.1 °C and 5.4 °C and averaged 3.5 °C. There was 0.9 mm of rain during 0.7 hours. There was 0.4 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-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.
February 27 » The Smith Mine #3 in Bearcreek, Montana, explodes, killing 74 men.
April 16 » Albert Hofmann accidentally discovers the hallucinogenic effects of the research drug LSD. He intentionally takes the drug three days later on April 19.
August 17 » World War II: The U.S. Seventh Army under General George S. Patton arrives in Messina, Italy, followed several hours later by the British 8th Army under Field Marshal Bernard Montgomery, thus completing the Allied conquest of Sicily.
October 8 » World War II: Around 30 civilians are executed by Friedrich Schubert's paramilitary group in Kallikratis, Crete.
November 15 » The Holocaust: German SS leader Heinrich Himmler orders that Gypsies are to be put "on the same level as Jews and placed in concentration camps".
December 13 » World War II: The Massacre of Kalavryta by German occupying forces in Greece.
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/I150152.php : accessed October 18, 2026), "Jan Jongsma (1869-1943)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.