March 23 » The Ahmadiyya Muslim Community is established by Mirza Ghulam Ahmad in Qadian, British India.
March 31 » The Eiffel Tower is officially opened.
May 6 » The Eiffel Tower is officially opened to the public at the Universal Exposition in Paris.
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.
June 26 » Bangui is founded by Albert Dolisie and Alfred Uzac in what was then the upper reaches of the French Congo.
Day of marriage July 27, 1909
The temperature on July 27, 1909 was between 10.4 °C and 19.5 °C and averaged 15.3 °C. There was 0.2 mm of rain. There was 8.1 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 16 » Ernest Shackleton's expedition finds the magnetic South Pole.
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
April 9 » The U.S. Congress passes the Payne–Aldrich Tariff Act.
July 25 » Louis Blériot makes the first flight across the English Channel in a heavier-than-air machine from Calais to Dover, England, United Kingdom in 37 minutes.
September 23 » The novel Le Fantôme de l'Opéra (The Phantom of the Opera), by Gaston Leroux, is published as a serialization in Le Gaulois.
October 16 » William Howard Taft and Porfirio Díaz hold the first summit between a U.S. and a Mexican president. They narrowly escape assassination.
Day of death March 21, 1967
The temperature on March 21, 1967 was between 6.6 °C and 12.0 °C and averaged 9.1 °C. There was 0.3 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 23 » Diplomatic relations between the Soviet Union and Ivory Coast are established.
April 9 » The first Boeing 737 (a 100 series) makes its maiden flight.
July 1 » Merger Treaty: The European Community is formally created out of a merger with the Common Market, the European Coal and Steel Community, and the European Atomic Energy Commission.
July 6 » Nigerian Civil War: Nigerian forces invade Biafra, beginning the war.
August 13 » Two young women became the first fatal victims of grizzly bear attacks in the 57-year history of Montana's Glacier National Park in separate incidents.
November 7 » Carl B. Stokes is elected as Mayor of Cleveland, Ohio, becoming the first African American mayor of a major American city.
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/I884.php : accessed December 29, 2025), "Janna Cornelia den Toonder (1889-1967)".
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