January 4 » Utah is admitted as the 45th U.S. state.
February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Henri Becquerel discovers radioactive decay.
May 26 » Charles Dow publishes the first edition of the Dow Jones Industrial Average.
June 15 » The deadliest tsunami in Japan's history kills more than 22,000 people.
July 28 » The city of Miami, Florida is incorporated.
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 31 » Vietnam War: Viet Cong guerrillas attack the United States embassy in Saigon, and other attacks, in the early morning hours, later grouped together as the Tet Offensive.
April 6 » In Richmond, Indiana's downtown district, a double explosion kills 41 and injures 150.
June 9 » U.S. President Lyndon B. Johnson declares a national day of mourning following the assassination of Senator Robert F. Kennedy.
October 11 » NASA launches Apollo 7, the first successful manned Apollo mission.
November 15 » The Cleveland Transit System becomes the first transit system in the western hemisphere to provide direct rapid transit service from a city's downtown to its major airport.
December 23 » The 82 sailors from the USSPueblo are released after eleven months of internment in North Korea.
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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