The temperature on July 20, 1889 was about 23.2 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 53%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
March 31 » The Eiffel Tower is officially opened.
June 3 » The first long-distance electric power transmission line in the United States is completed, running 14 miles (23km) between a generator at Willamette Falls and downtown Portland, Oregon.
July 8 » The first issue of The Wall Street Journal is published.
July 11 » Tijuana, Mexico, is founded.
November 8 » Montana is admitted as the 41st U.S. state.
Day of death October 3, 1969
The temperature on October 3, 1969 was between 13.8 °C and 18.4 °C and averaged 15.3 °C. There was 0.8 mm of rain during 1.4 hours. There was 2.5 hours of sunshine (22%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 3 » Apollo program: NASA launches Apollo 9 to test the lunar module.
March 18 » The United States begins secretly bombing the Sihanouk Trail in Cambodia, used by communist forces to infiltrate South Vietnam.
April 9 » The first British-built Concorde 002 makes its maiden flight from Filton to RAF Fairford.
May 15 » People's Park: California Governor Ronald Reagan has an impromptu student park owned by the University of California at Berkeley fenced off from student anti-war protestors, sparking a riot.
July 3 » Space Race: The biggest explosion in the history of rocketry occurs when the Soviet N-1 rocket explodes and subsequently destroys its launchpad.
August 12 » Violence erupts after the Apprentice Boys of Derry march in Derry, Northern Ireland, resulting in a three-day communal riot known as the Battle of the Bogside.
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I13684.php : accessed January 20, 2026), "Petrus Johannes Dreyer e2 (1889-1969)".
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