January 30 » Archduke Crown Prince Rudolf of Austria, heir to the Austro-Hungarian crown, is found dead with his mistress Baroness Mary Vetsera in the Mayerling.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
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.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 11 » The State of Washington is admitted as the 42nd state of the United States.
Day of marriage May 20, 1925
The temperature on May 20, 1925 was between 11.7 °C and 22.4 °C and averaged 16.2 °C. There was 11.1 hours of sunshine (70%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
January 30 » The Government of Turkey expels Patriarch Constantine VI from Istanbul.
February 15 » The 1925 serum run to Nome: The second delivery of serum arrives in Nome, Alaska.
March 18 » The Tri-State Tornado hits the Midwestern states of Missouri, Illinois, and Indiana, killing 695 people.
March 21 » Syngman Rhee is removed from office after being impeached as the President of the Provisional Government of the Republic of Korea.
May 1 » The All-China Federation of Trade Unions is officially founded. Today it is the largest trade union in the world, with 134million members.
July 25 » Telegraph Agency of the Soviet Union (TASS) is established.
Day of death September 12, 1977
The temperature on September 12, 1977 was between 9.0 °C and 17.5 °C and averaged 13.6 °C. There was -0.1 mm of rain. There was 3.8 hours of sunshine (29%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
February 4 » A Chicago Transit Authority elevated train rear-ends another and derails, killing 11 and injuring 180, the worst accident in the agency's history.
June 15 » After the death of dictator Francisco Franco in 1975, the first democratic elections took place in Spain.
July 19 » The world's first Global Positioning System (GPS) signal was transmitted from Navigation Technology Satellite 2 (NTS-2) and received at Rockwell Collins in Cedar Rapids, Iowa, at 12:41a.m. Eastern time (ET).
July 20 » The Central Intelligence Agency releases documents under the Freedom of Information Act revealing it had engaged in mind-control experiments.
July 20 » The Johnstown flood of 1977 kills 84 people and causes millions of dollars in damages.
September 13 » General Motors introduces Diesel engine, with Oldsmobile Diesel engine, in the Delta 88, Oldsmobile 98, and Oldsmobile Custom Cruiser models amongst others.
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I3145.php : accessed October 13, 2026), "Jan van Liere (1889-1977)".
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