April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
May 8 » In Martinique, Mount Pelée erupts, destroying the town of Saint-Pierre and killing over 30,000 people. Only a handful of residents survive the blast.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
November 29 » The Pittsburgh Stars defeated the Philadelphia Athletics, 11–0 to win the first championship associated with an American national professional football league.
Christening day September 21, 1902
The temperature on September 21, 1902 was between 4.1 °C and 17.9 °C and averaged 11.4 °C. There was 7.6 hours of sunshine (62%). Source: KNMI
January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
October 24 » Guatemala's Santa María Volcano begins to erupt, becoming the third-largest eruption of the 20th century.
Day of marriage October 28, 1930
The temperature on October 28, 1930 was between 3.2 °C and 10.9 °C and averaged 7.9 °C. There was 0.5 mm of rain during 1.0 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 10 » The Việt Nam Quốc Dân Đảng launches the failed Yên Bái mutiny in hope to overthrow French protectorate over Vietnam.
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
August 29 » The last 36 remaining inhabitants of St Kilda are voluntarily evacuated to other parts of Scotland.
October 27 » Ratifications exchanged in London for the first London Naval Treaty go into effect immediately, further limiting the expensive naval arms race among its five signatories.
December 2 » Great Depression: In a State of the Union message, U.S. President Herbert Hoover proposes a $150 million (equivalent to $2,296,000,000 in 2019) public works program to help generate jobs and stimulate the economy.
Day of death November 29, 1964
The temperature on November 29, 1964 was between -1.6 °C and 4.2 °C and averaged 1.7 °C. There was 9.3 mm of rain during 7.7 hours. There was 0.9 hours of sunshine (11%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
February 1 » The Beatles have their first number one hit in the United States with "I Want to Hold Your Hand".
February 27 » The Government of Italy asks for help to keep the Leaning Tower of Pisa from toppling over.
March 31 » Brazilian General Olímpio Mourão Filho orders his troops to move towards Rio de Janeiro, beginning the coup d'état.
April 26 » Tanganyika and Zanzibar merge to form Tanzania.
May 20 » Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.
November 21 » The Verrazano-Narrows Bridge opens to traffic. At the time it is the world's longest bridge span.
Day of burial December 2, 1964
The temperature on December 2, 1964 was between -3.5 °C and -0.2 °C and averaged -2.2 °C. There was 0.2 mm of rain. The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 8 » President Lyndon B. Johnson declares a "War on Poverty" in the United States.
April 11 » Brazilian Marshal Humberto de Alencar Castelo Branco is elected President by the National Congress.
August 28 » The Philadelphia race riot begins.
September 21 » Malta gains independence from the United Kingdom, but remains in the Commonwealth.
December 5 » Lloyd J. Old discovered the first linkage between the major histocompatibility complex (MHC) and disease—mouse leukemia—opening the way for the recognition of the importance of the MHC in the immune response.
December 22 » The first test flight of the SR-71 (Blackbird) takes place at Air Force Plant 42 in Palmdale, California, United States.
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/I498416.php : accessed February 11, 2026), "Petrus Josephus van Loon (1902-1964)".
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