What happened on this day in history: Powhatan warriors attack the English colony of Jamestown, tightrope walker Karl Wallenda falls to his death during a live performance, and more historical events from March 22.1622: The Jamestown Massacre Takes Place Wikimedia CommonsA woodcut illustration depicting the Jamestown Massacre by Matthaeus Merian from 1628. Powhatan warriors attack English settlers at Jamestown, killing 347 people — nearly a quarter of the Virginia colony’s population at the time.

What happened on this day in history: Blackbeard is killed in battle in 1781, President Kennedy is assasinated in Dallas in 1963, and other important events from November 22.Blackbeard Is Killed Wikimedia CommonsBefore he became Blackbeard, Edward Teach was simply a mysterious Englishman who wanted to make a fortune. On this date in 1781, the infamous pirate Edward Teach, also known as Blackbeard, is killed in a battle with the British navy off the coast of the Outer Banks in North Carolina.

21 Years Of Torture A man handles plutonium. Photo: YouTube The first round of tests involved 18 patients who had been diagnosed with terminal illnesses. The idea was to secretly inject them with plutonium and track its absorption and record the health effects before the subjects died of their preexisting illnesses. Plutonium, known as “49” or “product,” was transported from the Lawrence Berkeley National Laboratory to the University of California, San Francisco Medical Center (UCSFMC) in solution to be administered via IV drip.

After five decades' worth of searching, it was a DNA test from 23andMe that finally allowed Melissa Highsmith's parents to track her down.WE FOUND MELISSA!!!/FacebookMelissa Highsmith with her biological parents. Fifty-one years ago, 22-month-old Melissa Highsmith was kidnapped from her Fort Worth, Texas home by her new babysitter. Now, thanks to a DNA test, Melissa has been reunited with her family after five decades. “It’s overwhelming and incredible to me,” Sharon Highsmith, Melissa’s younger sister, said according to the Fort-Worth Star-Telegram.

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