The temperature on October 12, 1904 was between 1.5 °C and 11.5 °C and averaged 7.3 °C. There was 0.6 hours of sunshine (5%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 7 » A fire begins in Baltimore, Maryland; it destroys over 1,500 buildings in 30 hours.
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.
August 23 » The automobile tire chain is patented.
December 7 » Comparative fuel trials begin between warships HMSSpiteful and HMSPeterel: Spiteful was the first warship powered solely by fuel oil, and the trials led to the obsolescence of coal in ships of the Royal Navy.
Day of death April 9, 1968
The temperature on April 9, 1968 was between -4.9 °C and 10.7 °C and averaged 3.8 °C. There was 11.2 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
February 24 » Vietnam War: The Tet Offensive is halted; South Vietnam recaptures Hué.
March 7 » Vietnam War: The United States and South Vietnamese military begin Operation Truong Cong Dinh to root out Viet Cong forces from the area surrounding Mỹ Tho.
March 17 » As a result of nerve gas testing by the U.S. Army Chemical Corps in Skull Valley, Utah, over 6,000 sheep are found dead.
March 21 » Battle of Karameh in Jordan between the Israel Defense Forces and the combined forces of the Jordanian Armed Forces and PLO.
September 30 » The Boeing 747 is rolled out and shown to the public for the first time.
November 26 » Vietnam War: United States Air Force helicopter pilot James P. Fleming rescues an Army Special Forces unit pinned down by Viet Cong fire. He is later awarded the Medal of Honor.
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/I136871.php : accessed October 17, 2026), "Hendrik Bosgraaf (1904-1968)".
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