The temperature on July 25, 1909 was between 8.5 °C and 21.6 °C and averaged 15.8 °C. There was 2.2 mm of rain. There was 6.8 hours of sunshine (43%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
March 10 » By signing the Anglo-Siamese Treaty of 1909, Thailand relinquishes its sovereignty over the Malay states of Kedah, Kelantan, Perlis and Terengganu, which become British protectorates.
April 6 » Robert Peary and Matthew Henson become the first people to reach the North Pole; Peary's claim has been disputed because of failings in his navigational ability.
April 13 » The military of the Ottoman Empire reverses the Ottoman countercoup of 1909 to force the overthrow of Sultan Abdul Hamid II.
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.
August 28 » A group of mid-level Greek Army officers launches the Goudi coup, seeking wide-ranging reforms.
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 June 1, 1999
The temperature on June 1, 1999 was between 7.9 °C and 21.6 °C and averaged 15.7 °C. There was 7.3 hours of sunshine (45%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
February 11 » Pluto crosses Neptune's orbit, ending a nearly 20-year period when it was closer to the Sun than the gas giant; Pluto is not expected to interact with Neptune's orbit again until 2231.
March 29 » A magnitude 6.8 earthquake in India strikes the Chamoli district in Uttar Pradesh, killing 103.
April 20 » Columbine High School massacre: Eric Harris and Dylan Klebold kill 13 people and injure 24 others before committing suicide at Columbine High School in Columbine, Colorado.
May 7 » Pope John Paul II travels to Romania, becoming the first pope to visit a predominantly Eastern Orthodox country since the Great Schism in 1054.
August 31 » The first of a series of bombings in Moscow kills one person and wounds 40 others.
November 30 » Exxon and Mobil sign a US$73.7 billion agreement to merge, thus creating ExxonMobil, the world's largest company.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I269634.php : accessed January 24, 2026), "Theresia van Opstal (1909-1999)".
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