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 » Battle of Adwa: An Ethiopian army defeats an outnumbered Italian force, ending the First Italo-Ethiopian War.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
December 30 » Canadian ice hockey player Ernie McLea scores the first hat-trick in Stanley Cup play, and the Cup-winning goal as the Montreal Victorias defeat the Winnipeg Victorias 6–5.
December 30 » Filipino patriot and reform advocate José Rizal is executed by a Spanish firing squad in Manila.
Day of death August 30, 1971
The temperature on August 30, 1971 was between 12.5 °C and 20.5 °C and averaged 16.7 °C. There was 2.8 mm of rain during 0.8 hours. There was 8.5 hours of sunshine (62%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
February 8 » The NASDAQ stock market index opens for the first time.
February 26 » U.N. Secretary-General U Thant signs United Nations proclamation of the vernal equinox as Earth Day.
August 18 » Vietnam War: Australia and New Zealand decide to withdraw their troops from Vietnam.
August 27 » An attempted coup d'état fails in the African nation of Chad. The Government of Chad accuses Egypt of playing a role in the attempt and breaks off diplomatic relations.
October 29 » In Macon, Georgia, guitarist Duane Allman is killed in a motorcycle accident.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
When copying data from this family tree, please include a reference to the origin: Hendrik Jan Niezen, "Family tree Niezen", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-niezen/I1145.php : accessed February 18, 2026), "Aaltje KOLKMAN (1896-1971)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.