March 6 » Bayer registers "Aspirin" as a trademark.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
May 30 » Pearl Hart, a female outlaw of the Old West, robs a stage coach 30 miles southeast of Globe, Arizona.
July 29 » The First Hague Convention is signed.
Day of death February 23, 1967
The temperature on February 23, 1967 was between 4.8 °C and 11.9 °C and averaged 7.8 °C. There was 1.8 mm of rain during 1.7 hours. There was 3.1 hours of sunshine (30%). The partly clouded was. The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
January 6 » Vietnam War: United States Marine Corps and ARVN troops launch "Operation Deckhouse Five" in the Mekong River delta.
September 1 » The Khmer–Chinese Friendship Association is banned in Cambodia.
September 10 » The people of Gibraltar vote to remain a British dependency rather than becoming part of Spain.
November 2 » Vietnam War: US President Lyndon B. Johnson and "The Wise Men" conclude that the American people should be given more optimistic reports on the progress of the war.
November 9 » Apollo program: NASA launches the unmanned Apollo 4 test spacecraft atop the first Saturn V rocket from Cape Kennedy, Florida.
November 14 » American physicist Theodore Maiman is given a patent for his ruby laser systems, the world's first laser.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I482410.php : accessed January 23, 2026), "Petrus Johannes Cornelis Engel (1899-1967)".
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