The temperature on May 10, 1889 was about 18.0 °C. The air pressure was 12 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
April 22 » At noon, thousands rush to claim land in the Land Rush of 1889. Within hours the cities of Oklahoma City and Guthrie are formed with populations of at least 10,000.
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.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
October 24 » Henry Parkes delivers the Tenterfield Oration, effectively starting the federation process in Australia.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of death April 12, 1970
The temperature on April 12, 1970 was between 3.3 °C and 11.7 °C and averaged 7.7 °C. There was 3.3 mm of rain during 4.9 hours. There was 4.4 hours of sunshine (32%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
August 7 » California judge Harold Haley is taken hostage in his courtroom and killed during an effort to free George Jackson from police custody.
August 23 » Organized by Mexican American labor union leader César Chávez, the Salad Bowl strike, the largest farm worker strike in U.S. history, begins.
September 8 » Trans International Airlines Flight 863 crashes during takeoff from John F. Kennedy International Airport in New York City, killing all 11 aboard.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
November 14 » Southern Airways Flight 932 crashes in the mountains near Huntington, West Virginia, killing 75, including almost all of the Marshall University football team.
November 14 » Soviet Union enters ICAO, making Russian the fourth official language of organization.
When copying data from this family tree, please include a reference to the origin: Harry Westerman, "Family tree Westerman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerman/X485.php : accessed January 19, 2026), "Berend Woltjer (1889-1970)".
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