The temperature on September 24, 1875 was about 13.3 °C. The air pressure was 5 kgf/m2 and came mainly from the east-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 54%. Source: KNMI
From August 27, 1874 till November 3, 1877 the Netherlands had a cabinet Heemskerk - Van Lijnden van Sandenburg with the prime ministers Mr. J. Heemskerk Azn. (conservatief) and Mr. C.Th. baron Van Lijnden van Sandenburg (AR).
May 20 » Signing of the Metre Convention by 17 nations leading to the establishment of the International System of Units.
June 19 » The Herzegovinian rebellion against the Ottoman Empire begins.
July 9 » The Herzegovina Uprising against Ottoman rule begins, which would last until 1878 and have far-reaching implications throughout the Balkans.
August 25 » Captain Matthew Webb becomes the first person to swim across the English Channel, traveling from Dover, England, to Calais, France, in 21 hours and 45 minutes.
September 3 » The first official game of polo is played in Argentina after being introduced by British ranchers.
September 27 » The merchant sailing ship Ellen Southard is wrecked in a storm at Liverpool.
Day of marriage April 21, 1897
The temperature on April 21, 1897 was about 11.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 90%. Source: KNMI
April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
May 26 » The original manuscript of William Bradford's history, "Of Plymouth Plantation" is returned to the Governor of Massachusetts by the Bishop of London after being taken during the American Revolutionary War.
June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
Day of death September 7, 1949
The temperature on September 7, 1949 was between 11.2 °C and 22.4 °C and averaged 16.9 °C. There was 4.9 mm of rain during 3.3 hours. There was 7.1 hours of sunshine (54%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
January 3 » The Bangko Sentral ng Pilipinas, the central bank of the Philippines, is established.
February 24 » The Armistice Agreements are signed, to formally end the hostilities of the 1948 Arab-Israeli War.
March 31 » The Dominion of Newfoundland joins the Canadian Confederation and becomes the 10th Province of Canada.
April 1 » Chinese Civil War: The Chinese Communist Party holds unsuccessful peace talks with the Nationalist Party in Beijing, after three years of fighting.
April 4 » Cold War: Twelve nations sign the North Atlantic Treaty creating the North Atlantic Treaty Organization.
November 7 » The first oil was taken in Oil Rocks (Neft Daşları), oldest offshore oil platform.
When copying data from this family tree, please include a reference to the origin: Dirk Ham, "Family tree Ham en Dallinga", database, Genealogy Online (https://www.genealogieonline.nl/ham-stamboom/I817.php : accessed January 20, 2026), "Petronella Loor (1875-1949)".
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