January 30 » The first Anglo-Japanese Alliance is signed in London.
April 2 » "Electric Theatre", the first full-time movie theater in the United States, opens in Los Angeles.
April 20 » Pierre and Marie Curie refine radium chloride.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 28 » The Syracuse Athletic Club defeated the New York Philadelphians, 5–0, in the first indoor professional football game, which was held at Madison Square Garden.
Day of marriage July 22, 1926
The temperature on July 22, 1926 was between 13.7 °C and 19.2 °C and averaged 16.0 °C. There was 0.1 mm of rain. There was 7.2 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
January 8 » Abdul-Aziz ibn Saud is crowned King of Hejaz.
January 8 » Crown Prince Nguyễn Phúc Vĩnh Thuỵ ascends the throne to become the last monarch of Vietnam.
April 6 » Varney Airlines makes its first commercial flight (Varney is the root company of United Airlines).
April 21 » Al-Baqi cemetery, former site of the mausoleum of four Shi'a Imams, is leveled to the ground by Wahhabis.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
September 8 » Germany is admitted to the League of Nations.
Day of death December 22, 1976
The average temperature on December 22, 1976 was 2.0 °C. There was -0.1 mm of rain. The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
January 18 » Lebanese Christian militias kill at least 1,000 in Karantina, Beirut.
May 6 » The 6.5 Mw Friuli earthquake affected Northern Italy with a maximum Mercalli intensity of X (Extreme), leaving 900–978 dead and 1,700–2,400 injured.
July 18 » Nadia Comăneci becomes the first person in Olympic Games history to score a perfect 10 in gymnastics at the 1976 Summer Olympics.
July 28 » The Tangshan earthquake measuring between 7.8 and 8.2 moment magnitude flattens Tangshan in the People's Republic of China, killing 242,769 and injuring 164,851.
September 17 » The Space Shuttle Enterprise is unveiled by NASA.
September 21 » Seychelles joins the United Nations.
When copying data from this family tree, please include a reference to the origin: Marieke Cooper, "Family tree Cooper, Kooper, Oostwal, Robert, Ooteman en Blokland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-cooper/I3149.php : accessed January 22, 2026), "Hendrik Johannes (Henk) Pontman (1902-1976)".
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