January 10 » The first great Texas oil gusher is discovered at Spindletop in Beaumont, Texas.
June 11 » The boundaries of the Colony of New Zealand are extended by the UK to include the Cook Islands.
August 10 » The U.S. Steel recognition strike by the Amalgamated Association of Iron and Steel Workers begins.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
September 28 » Philippine–American War: Filipino guerrillas kill more than forty American soldiers while losing 28 of their own.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
Day of death May 23, 1965
The temperature on May 23, 1965 was between 8.6 °C and 20.8 °C and averaged 14.9 °C. There was 0.1 mm of rain during 0.3 hours. There was 4.0 hours of sunshine (25%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
February 17 » Project Ranger: The Ranger 8 probe launches on its mission to photograph the Mare Tranquillitatis region of the Moon in preparation for the manned Apollo missions. Mare Tranquillitatis or the "Sea of Tranquility" would become the site chosen for the Apollo 11 lunar landing.
March 24 » Images from the Ranger 9 lunar probe are broadcast live on network television.
June 7 » The Supreme Court of the United States hands down its decision in Griswold v. Connecticut, prohibiting the states from criminalizing the use of contraception by married couples.
June 9 » Vietnam War: The Viet Cong commences combat with the Army of the Republic of Vietnam in the Battle of Đồng Xoài, one of the largest battles in the war.
August 4 » The Constitution of the Cook Islands comes into force, giving the Cook Islands self-governing status within New Zealand.
October 15 » Vietnam War: A draft card is burned during an anti-war rally by the Catholic Worker Movement, resulting in the first arrest under a new law.
When copying data from this family tree, please include a reference to the origin: Dirk Zwinderman, "Family tree Zwinderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zwinderman/I1985.php : accessed March 16, 2026), "Lukas Hilvering (1901-1965)".
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