February 15 » The battleship USSMaine explodes and sinks in Havana harbor in Cuba, killing 274. This event leads the United States to declare war on Spain.
February 27 » King George I of Greece survives an assassination attempt.
April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
July 7 » US President William McKinley signs the Newlands Resolution annexing Hawaii as a territory of the United States.
August 28 » Caleb Bradham's beverage "Brad's Drink" is renamed "Pepsi-Cola".
November 5 » Negrese nationalists revolt against Spanish rule and establish the short-lived Republic of Negros.
Day of marriage April 17, 1942
The temperature on April 17, 1942 was between 6.2 °C and 18.6 °C and averaged 12.9 °C. There was 12.4 hours of sunshine (89%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-northeast. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 23 » World War II: The Battle of Rabaul commences Japan's invasion of Australia's Territory of New Guinea.
February 18 » World War II: The Imperial Japanese Army begins the systematic extermination of perceived hostile elements among the Chinese in Singapore.
March 9 » World War II: Dutch East Indies unconditionally surrendered to the Japanese forces in Kalijati, Subang, West Java, and the Japanese completed their Dutch East Indies campaign.
April 18 » World War II: The Doolittle Raid on Japan: Tokyo, Yokohama, Kobe and Nagoya are bombed.
September 21 » The Holocaust in Poland: At the end of Yom Kippur, Germans order Jews to permanently move from Konstantynów to Biała Podlaska.
October 1 » World War II: USSGrouper torpedoes Lisbon Maru, not knowing that she is carrying British prisoners of war from Hong Kong.
Day of death November 22, 1964
The temperature on November 22, 1964 was between 8.4 °C and 10.7 °C and averaged 9.6 °C. There was 0.9 mm of rain during 1.0 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 1 » The Federation of Rhodesia and Nyasaland is divided into the independent republics of Zambia and Malawi, and the British-controlled Rhodesia.
October 14 » Martin Luther King Jr. received the Nobel Peace Prize for combating racial inequality through nonviolence.
October 16 » Leonid Brezhnev becomes leader of the Soviet Communist Party, while Alexei Kosygin becomes the head of government.
October 22 » Jean-Paul Sartre is awarded the Nobel Prize in Literature, but turns down the honor.
October 27 » Ronald Reagan delivers a speech on behalf of the Republican candidate for president, Barry Goldwater. The speech launches his political career and comes to be known as "A Time for Choosing".
December 24 » Flying Tiger Line Flight 282 crashes after takeoff from San Francisco International Airport, killing three.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I2732.php : accessed January 21, 2026), "Johannes Theodorus (van) Berlo (1898-1964)".
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