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.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
August 12 » The Hawaiian flag is lowered from ʻIolani Palace in an elaborate annexation ceremony and replaced with the flag of the United States to signify the transfer of sovereignty from the Republic of Hawaii to the United States.
August 13 » Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
October 18 » The United States takes possession of Puerto Rico from Spain.
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage May 20, 1921
The temperature on May 20, 1921 was between 5.7 °C and 19.3 °C and averaged 12.7 °C. There was 9.6 hours of sunshine (60%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
July 11 » A truce in the Irish War of Independence comes into effect.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
July 22 » Rif War: The Spanish Army suffers its worst military defeat in modern times to the Berbers of the Rif region of Spanish Morocco.
July 29 » Adolf Hitler becomes leader of the National Socialist German Workers Party.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
Day of death July 5, 1991
The temperature on July 5, 1991 was between 17.2 °C and 29.4 °C and averaged 24.1 °C. There was 13.7 hours of sunshine (83%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
June 3 » Mount Unzen erupts in Kyūshū, Japan, killing 43 people, all of them either researchers or journalists.
June 17 » Apartheid: The South African Parliament repeals the Population Registration Act which required racial classification of all South Africans at birth.
July 10 » Boris Yeltsin takes office as the first elected President of Russia.
August 21 » Latvia declares renewal of its full independence after its occupation by the Soviet Union since 1940.
October 5 » An Indonesian Air Force C-130 crash kills 135 people.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I189695.php : accessed February 15, 2026), "Hendrik Wiebe Dijkstra (1898-1991)".
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