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.
May 26 » Nicholas II becomes the last Tsar of Imperial Russia.
July 28 » The city of Miami, Florida is incorporated.
November 27 » Also sprach Zarathustra by Richard Strauss is first performed.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of death April 1, 1971
The temperature on April 1, 1971 was between 3.4 °C and 8.5 °C and averaged 5.4 °C. The almost completely overcast was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 26 » East Pakistan declares its independence from Pakistan to form Bangladesh and the Bangladesh Liberation War begins.
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
August 9 » The Troubles: The British Army in Northern Ireland launches Operation Demetrius. Hundreds of people are arrested and interned, thousands are displaced, and twenty are killed in the violence that followed.
September 21 » Bahrain, Bhutan and Qatar join the United Nations.
November 30 » Iran seizes the Greater and Lesser Tunbs from the Emirates of Sharjah and Ras Al Khaimah.
December 20 » The international aid organization Doctors Without Borders is founded by Bernard Kouchner and a group of journalists in Paris, France.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I90288.php : accessed February 9, 2026), "Cornelia Antonia Catharina Mertens (1896-1971)".
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