February 27 » King George I of Greece survives an assassination attempt.
April 25 » Spanish–American War: The United States declares war on Spain.
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 » Spanish–American War: Spanish and American forces engage in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands.
September 13 » Hannibal Goodwin patents celluloid photographic film.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
Day of marriage December 19, 1919
The temperature on December 19, 1919 was between 3.6 °C and 6.7 °C and averaged 5.1 °C. There was 3.9 mm of rain. There was -0.1 hours of sunshine (0%). The average windspeed was 6 Bft (strong wind) and was prevailing from the northwest. 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.
January 15 » Great Molasses Flood: A wave of molasses released from an exploding storage tank sweeps through Boston, Massachusetts, killing 21 and injuring 150.
May 16 » A naval Curtiss NC-4 aircraft commanded by Albert Cushing Read leaves Trepassey, Newfoundland, for Lisbon via the Azores on the first transatlantic flight.
July 13 » The British airship R34 lands in Norfolk, England, completing the first airship return journey across the Atlantic in 182 hours of flight.
October 28 » The U.S. Congress passes the Volstead Act over President Wilson's veto, paving the way for Prohibition to begin the following January.
November 11 » Latvian forces defeat the West Russian Volunteer Army at Riga in the Latvian War of Independence.
December 26 » Babe Ruth of the Boston Red Sox is sold to the New York Yankees by owner Harry Frazee, allegedly establishing the Curse of the Bambino superstition.
Day of death December 1, 1988
The temperature on December 1, 1988 was between -0.9 °C and 4.6 °C and averaged 0.3 °C. There was 2.7 mm of rain during 7.9 hours. The almost completely overcast was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 13 » Lee Teng-hui becomes the first native Taiwanese President of the Republic of China.
February 12 » Cold War: The 1988 Black Sea bumping incident: The U.S. missile cruiser USSYorktown(CG-48) is intentionally rammed by the Soviet frigate Bezzavetnyy in the Soviet territorial waters, while Yorktown claims innocent passage.
April 25 » In Israel, John Demjanjuk is sentenced to death for war crimes committed in World War II.
May 16 » A report by the Surgeon General of the United States C. Everett Koop states that the addictive properties of nicotine are similar to those of heroin and cocaine.
August 28 » Ramstein air show disaster: Three aircraft of the Frecce Tricolori demonstration team collide and the wreckage falls into the crowd. Seventy-five are killed and 346 seriously injured.
October 12 » Two officers of the Victoria Police are gunned down execution-style in the Walsh Street police shootings, Australia.
When copying data from this family tree, please include a reference to the origin: Janet Westerhof, "Family tree Westerhof", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-westerhof/R48.php : accessed January 8, 2026), "Jan Oppers (1898-1988)".
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