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 10 » Spanish–American War: In the Battle of Guantánamo Bay, U.S. Marines begin the American invasion of Spanish-held Cuba.
June 17 » The United States Navy Hospital Corps is established.
July 8 » The death of crime boss Soapy Smith, killed in the Shootout on Juneau Wharf, releases Skagway, Alaska from his iron grip.
August 28 » Caleb Bradham's beverage "Brad's Drink" is renamed "Pepsi-Cola".
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage April 7, 1937
The temperature on April 7, 1937 was between 6.1 °C and 14.1 °C and averaged 10.5 °C. There was 7.5 mm of rain during 4.1 hours. There was 0.2 hours of sunshine (2%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
February 16 » Wallace H. Carothers receives a United States patent for nylon.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
July 7 » The Marco Polo Bridge Incident provides the Imperial Japanese Army with a pretext for starting the Second Sino-Japanese War.
August 28 » Toyota Motors becomes an independent company.
December 16 » Theodore Cole and Ralph Roe attempt to escape from the American federal prison on Alcatraz Island in San Francisco Bay; neither is ever seen again.
Day of death December 21, 1966
The temperature on December 21, 1966 was between 0.7 °C and 5.2 °C and averaged 2.7 °C. There was 2.0 mm of rain during 1.1 hours. There was 0.9 hours of sunshine (12%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
January 17 » Palomares incident: A B-52 bomber collides with a KC-135 Stratotanker over Spain, killing seven airmen, and dropping three 70-kiloton nuclear bombs near the town of Palomares and another one into the sea.
March 5 » BOAC Flight 911, a Boeing 707 aircraft, breaks apart in mid-air due to clear-air turbulence and crashes into Mount Fuji, Japan, killing all 124 people on board.
June 8 » Topeka, Kansas, is devastated by a tornado that registers as an "F5" on the Fujita scale: The first to exceed US$100million in damages. Sixteen people are killed, hundreds more injured, and thousands of homes damaged or destroyed.
July 6 » Malawi becomes a republic, with Hastings Banda as its first President.
July 8 » King Mwambutsa IV Bangiriceng of Burundi is deposed by his son Prince Charles Ndizi.
November 8 » U.S. President Lyndon B. Johnson signs into law an antitrust exemption allowing the National Football League to merge with the upstart American Football League.
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/I50825.php : accessed February 11, 2026), "Joannes Cornelis Heerkens (1898-1966)".
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