April 25 » New York becomes the first U.S. state to require automobile license plates.
May 3 » The Great Fire of 1901 begins in Jacksonville, Florida.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
July 4 » William Howard Taft becomes American governor of the Philippines.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
Day of marriage August 10, 1927
The temperature on August 10, 1927 was between 12.8 °C and 22.2 °C and averaged 17.5 °C. There was 9.3 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
April 12 » Shanghai massacre of 1927: Chiang Kai-shek orders the Chinese Communist Party members executed in Shanghai, ending the First United Front.
May 4 » The Academy of Motion Picture Arts and Sciences is incorporated.
August 16 » The Dole Air Race begins from Oakland, California, to Honolulu, Hawaii, during which six out of the eight participating planes crash or disappear.
August 19 » Patriarch Sergius of Moscow proclaims the declaration of loyalty of the Russian Orthodox Church to the Soviet Union.
August 27 » Five Canadian women file a petition to the Supreme Court of Canada, asking, "Does the word 'Persons' in Section 24 of the British North America Act, 1867, include female persons?"
December 17 » Indian revolutionary Rajendra Lahiri is hanged in Gonda jail, Uttar Pradesh, India, two days before the scheduled date.
Day of death January 23, 1970
The temperature on January 23, 1970 was between -0.4 °C and 2.4 °C and averaged 1.5 °C. There was 0.8 mm of rain during 1.4 hours. The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
January 22 » The Boeing 747, the world's first "jumbo jet", enters commercial service for launch customer Pan American Airways with its maiden voyage from John F. Kennedy International Airport to London Heathrow Airport.
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
March 28 » An earthquake strikes western Turkey at about 23:05 local time, killing 1,086 and injuring 1,260.
May 4 » Vietnam War: Kent State shootings: The Ohio National Guard, sent to Kent State University after disturbances in the city of Kent the weekend before, opens fire killing four unarmed students and wounding nine others. The students were protesting the Cambodian Campaign of the United States and South Vietnam.
August 15 » Patricia Palinkas becomes the first woman to play professionally in an American football game.
November 10 » Vietnam War: Vietnamization: For the first time in five years, an entire week ends with no reports of American combat fatalities in Southeast Asia.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I9320.php : accessed February 19, 2026), "Johannes Franciscus Geistdörfer (1901-1970)".
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