The temperature on April 4, 1904 was between 4.8 °C and 10.1 °C and averaged 6.9 °C. There was 5.2 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
February 8 » Aceh War: Dutch Colonial Army's Marechaussee regiment led by General G.C.E. van Daalen launch military campaign to capture Gayo Highland, Alas Highland, and Batak Highland in Dutch East Indies' Northern Sumatra region, which ends with genocide to Acehnese and Bataks people.
February 8 » Battle of Port Arthur: A surprise torpedo attack by the Japanese at Port Arthur, China starts the Russo-Japanese War.
February 9 » Russo-Japanese War: Battle of Port Arthur concludes.
May 9 » The steam locomotive City of Truro becomes the first steam engine in Europe to exceed 100mph (160km/h).
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
July 31 » Russo-Japanese War: Battle of Hsimucheng: Units of the Imperial Japanese Army defeat units of the Imperial Russian Army in a strategic confrontation.
Day of death July 18, 1967
The temperature on July 18, 1967 was between 16.4 °C and 31.3 °C and averaged 23.2 °C. There was 12.6 hours of sunshine (78%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. Source: KNMI
January 14 » The New York Times reports that the U.S. Army is conducting secret germ warfare experiments.
April 24 » Vietnam War: American General William Westmoreland says in a news conference that the enemy had "gained support in the United States that gives him hope that he can win politically that which he cannot win militarily".
April 27 » Expo 67 officially opens in Montreal, Quebec, Canada with a large opening ceremony broadcast around the world. It opens to the public the next day.
July 6 » Nigerian Civil War: Nigerian forces invade Biafra, beginning the war.
July 12 » Riots begin in Newark, New Jersey.
September 4 » Vietnam War: Operation Swift begins when U.S. Marines engage the North Vietnamese in battle in the Que Son Valley.
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/I199928.php : accessed December 30, 2025), "Jacob Horn (1904-1967)".
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