January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
April 26 » Atlético Madrid Association football club is founded
June 16 » The Ford Motor Company is incorporated.
July 1 » Start of first Tour de France bicycle race.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
December 14 » The Wright brothers make their first attempt to fly with the Wright Flyer at Kitty Hawk, North Carolina.
Day of death April 10, 1975
The temperature on April 10, 1975 was between -1.2 °C and 8.0 °C and averaged 2.9 °C. There was -0.1 mm of rain. There was 8.4 hours of sunshine (62%). 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.
February 4 » Haicheng earthquake (magnitude 7.3 on the Richter scale) occurs in Haicheng, Liaoning, China.
May 27 » Dibbles Bridge coach crash near Grassington, in North Yorkshire, England, kills 33 – the highest ever death toll in a road accident in the United Kingdom.
May 28 » Fifteen West African countries sign the Treaty of Lagos, creating the Economic Community of West African States.
June 5 » The Suez Canal opens for the first time since the Six-Day War.
October 16 » Indonesian troops kill the Balibo Five, a group of Australian journalists, Portuguese Timor.
November 3 » Syed Nazrul Islam, A. H. M. Qamaruzzaman, Tajuddin Ahmad, and Muhammad Mansur Ali, Bangladeshi politicians and Sheikh Mujibur Rahman loyalists, are murdered in the Dhaka Central Jail.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I137349.php : accessed October 19, 2026), "Jan "John" Boersma (1903-1975)".
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