May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
June 2 » Guglielmo Marconi applies for a patent for his wireless telegraph.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
September 22 » Queen Victoria surpasses her grandfather King George III as the longest reigning monarch in British history.
Day of death February 28, 1968
The temperature on February 28, 1968 was between -1.9 °C and 2.3 °C and averaged 0.2 °C. There was 0.3 hours of sunshine (3%). The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 5 » Alexander Dubček comes to power in Czechoslovakia, effectively beginning the "Prague Spring".
January 23 » USS Pueblo (AGER-2) is attacked and seized by naval forces of North Korea.
January 24 » Vietnam War: The 1st Australian Task Force launches Operation Coburg against the North Vietnamese Army and Viet Cong during wider fighting around Long Bình and Biên Hòa.
March 16 » Vietnam War: My Lai Massacre occurs; between 347 and 500 Vietnamese villagers (men, women, and children) are killed by American troops.
September 11 » Air France Flight 1611 crashes off Nice, France, killing 89 passengers and six crew.
October 22 » Apollo program: Apollo 7 safely splashes down in the Atlantic Ocean after orbiting the Earth 163 times.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I600250.php : accessed January 22, 2026), "Roelofke Hiemstra (1896-1968)".
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