January 1 » New York, New York annexes land from surrounding counties, creating the City of Greater New York. The four initial boroughs, Manhattan, Brooklyn, Queens, and The Bronx, are joined on January 25 by Staten Island to create the modern city of five boroughs.
April 21 » Spanish–American War: The United States Navy begins a blockade of Cuban ports. When the U.S. Congress issued a declaration of war on April 25, it declared that a state of war had existed from this date.
May 1 » Spanish–American War: Battle of Manila Bay: The Asiatic Squadron of the United States Navy destroys the Pacific Squadron of the Spanish Navy after a seven-hour battle. Spain loses all seven of its ships, and 381 Spanish sailors die. There are no American vessel losses or combat deaths.
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
June 13 » Yukon Territory is formed, with Dawson chosen as its capital.
October 18 » The United States takes possession of Puerto Rico from Spain.
Day of marriage May 18, 1926
The temperature on May 18, 1926 was between 1.4 °C and 14.0 °C and averaged 7.2 °C. There was 0.7 mm of rain. There was 6.6 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
March 15 » The dictator Theodoros Pangalos is elected President of Greece without opposition.
May 9 » Admiral Richard E. Byrd and Floyd Bennett claim to have flown over the North Pole (later discovery of Byrd's diary appears to cast some doubt on the claim.)
May 12 » The Italian-built airship Norge becomes the first vessel to fly over the North Pole.
May 22 » Chiang Kai-shek replaces the communists in Kuomintang China.
August 6 » Gertrude Ederle becomes the first woman to swim across the English Channel.
November 11 » The United States Numbered Highway System is established.
Day of death July 12, 1980
The temperature on July 12, 1980 was between 11.6 °C and 16.9 °C and averaged 13.6 °C. There was 6.2 mm of rain during 3.3 hours. There was 4.2 hours of sunshine (26%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
January 26 » Egypt–Israel relations are formally established.
January 28 » USCGCBlackthorn collides with the tanker Capricorn while leaving Tampa, Florida and capsizes, killing 23 Coast Guard crewmembers.
May 17 » General Chun Doo-hwan of South Korea seizes control of the government and declares martial law in order to suppress student demonstrations.
June 3 » The 1980 Grand Island tornado outbreak hits Nebraska, causing five deaths and $300million (equivalent to $931million in 2019) worth of damage.
August 25 » Zimbabwe joins the United Nations.
October 9 » Pope John Paul II greets the Dalai Lama during a private audience in Vatican City.
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/I46754.php : accessed February 26, 2026), "Johannes Antonius Josephus van Grinsven (1898-1980)".
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