April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
May 23 » American Civil War: Sergeant William Harvey Carney is awarded the Medal of Honor for his heroism in the Assault on the Battery Wagner in 1863.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
July 29 » In Italy, King Umberto I of Italy is assassinated by the anarchist Gaetano Bresci.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death December 20, 1944
The temperature on December 20, 1944 was between 1.2 °C and 4.5 °C and averaged 3.2 °C. There was 0.1 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. 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.
January 31 » World War II: During the Anzio campaign, the 1st Ranger Battalion (Darby's Rangers) is destroyed behind enemy lines in a heavily outnumbered encounter at Battle of Cisterna, Italy.
April 22 » World War II: Operation Persecution is initiated: Allied forces land in the Hollandia (currently known as Jayapura) area of New Guinea.
April 24 » World War II: The SBS launches a raid against the garrison of Santorini in Greece.
June 14 » World War II: After several failed attempts, the British Army abandons Operation Perch, its plan to capture the German-occupied town of Caen.
September 6 » World War II: Soviet forces capture the city of Tartu, Estonia.
October 20 » World War II: The Soviet Army and Yugoslav Partisans liberate Belgrade.
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/I131038.php : accessed January 5, 2026), "Jacobus Hendrikus Meerman (1900-1944)".
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