The temperature on April 9, 1911 was between 0.2 °C and 6.7 °C and averaged 4.3 °C. There was 0.1 mm of rain. There was 0.9 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
October 9 » An accidental bomb explosion triggers the Wuchang Uprising against the Chinese monarchy.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of death January 14, 1964
The temperature on January 14, 1964 was between -1.2 °C and 1.2 °C and averaged 0.3 °C. There was 1.7 mm of rain during 4.0 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 13 » Anti-Muslim riots break out in Calcutta, resulting in 100 deaths.
January 30 » In a bloodless coup, General Nguyễn Khánh overthrows General Dương Văn Minh's military junta in South Vietnam.
March 27 » The Good Friday earthquake, the most powerful earthquake recorded in North American history at a magnitude of 9.2 strikes Southcentral Alaska, killing 125 people and inflicting massive damage to the city of Anchorage.
April 8 » The Gemini 1 test flight is conducted.
April 21 » A Transit-5bn satellite fails to reach orbit after launch; as it re-enters the atmosphere, 2.1 pounds (0.95kg) of radioactive plutonium in its SNAP RTG power source is widely dispersed.
August 5 » Vietnam War: Operation Pierce Arrow: American aircraft from carriers USSTiconderoga and USSConstellation bomb North Vietnam in retaliation for strikes against U.S. destroyers in the Gulf of Tonkin.
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I25833.php : accessed February 27, 2026), "Hendrikus Jan Gerrit Velterop (1911-1964)".
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