The temperature on January 12, 1904 was between 0.2 °C and 5.1 °C and averaged 2.8 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 22 » The United Kingdom sells a meteorological station on the South Orkney Islands to Argentina; the islands are subsequently claimed by the United Kingdom in 1908.
February 28 » S.L. Benfica is founded in Portugal.
May 4 » The United States begins construction of the Panama Canal.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
October 27 » The first underground New York City Subway line opens, later designated as the IRT Broadway–Seventh Avenue Line.
Day of marriage July 13, 1926
The temperature on July 13, 1926 was between 15.6 °C and 26.3 °C and averaged 21.3 °C. There was 12.7 hours of sunshine (78%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 8 » Abdul-Aziz ibn Saud is crowned King of Hejaz.
January 26 » The first demonstration of the television by John Logie Baird.
March 14 » The El Virilla train accident, Costa Rica, kills 248 people and wounds another 93 when a train falls off a bridge over the Río Virilla between Heredia and Tibás.
April 24 » The Treaty of Berlin is signed. Germany and the Soviet Union each pledge neutrality in the event of an attack on the other by a third party for the next five years.
May 25 » Sholom Schwartzbard assassinates Symon Petliura, the head of the government of the Ukrainian People's Republic, which is in government-in-exile in Paris.
August 5 » Harry Houdini performs his greatest feat, spending 91 minutes underwater in a sealed tank before escaping.
Day of death March 10, 1970
The temperature on March 10, 1970 was between -6.3 °C and 5.3 °C and averaged -0.5 °C. There was 0.1 mm of rain. There was 7.9 hours of sunshine (69%). The almost cloudless was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
March 21 » The first Earth Day proclamation is issued by Joseph Alioto, Mayor of San Francisco.
April 24 » China launches Dong Fang Hong I, becoming the fifth nation to put an object into orbit using its own booster.
April 29 » Vietnam War: United States and South Vietnamese forces invade Cambodia to hunt Viet Cong.
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.
September 1 » Palestinian guerrillas attack the motorcade of King Hussein of Jordan in a failed assassination attempt.
September 7 » Bill Shoemaker beats Johnny Longden's record to become the winningest jockey in horse racing history at Del Mar racetrack
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I53729.php : accessed February 23, 2026), "Petronella Anna Cornelia van Helvoort (1904-1970)".
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