The temperature on January 7, 1860 was about 4.6 °C. The air pressure was 18 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 77%. Source: KNMI
From March 18, 1858 till February 23, 1860 the Netherlands had a cabinet Rochussen - Van Bosse with the prime ministers J.J. Rochussen (conservatief-liberaal) and Mr. P.P. van Bosse (liberaal).
From February 23, 1860 till March 14, 1861 the Netherlands had a cabinet Van Hall - Van Heemstra with the prime ministers Mr. F.A. baron Van Hall (conservatief-liberaal) and Mr. S. baron Van Heemstra (liberaal).
January 1 » The first Polish stamp is issued, replacing the Russian stamps previously in use.
March 5 » Parma, Tuscany, Modena and Romagna vote in referendums to join the Kingdom of Sardinia.
April 3 » The first successful United States Pony Express run from St. Joseph, Missouri, to Sacramento, California, begins.
May 3 » Charles XV of Sweden–Norway is crowned king of Sweden.
September 8 » The steamship PSLady Elgin sinks on Lake Michigan, with the loss of around 300 lives.
October 26 » The Expedition of the Thousand ends when Giuseppe Garibaldi presents his conquests to King Victor Emmanuel of Sardinia.
Day of death December 6, 1943
The temperature on December 6, 1943 was between -7.5 °C and -4.3 °C and averaged -5.8 °C. The average windspeed was 1 Bft (weak wind) and was prevailing from the east-southeast. 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.
March 22 » World War II: The entire village of Khatyn (in what is the present-day Republic of Belarus) is burnt alive by Schutzmannschaft Battalion 118.
June 12 » The Holocaust: Germany liquidates the Jewish Ghetto in Brzeżany, Poland (now Berezhany, Ukraine). Around 1,180 Jews are led to the city's old Jewish graveyard and shot.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
July 28 » World War II: Operation Gomorrah: The Royal Air Force bombs Hamburg, Germany causing a firestorm that kills 42,000 German civilians.
October 14 » World War II: Prisoners at the Sobibór extermination camp in Poland revolt against the Germans.
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".
When copying data from this family tree, please include a reference to the origin: Dingeman Hendrikse, "Family tree Keijser", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-keijser/R482.php : accessed February 26, 2026), "Jacob Keijser (1860-1943)".
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