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On this day: March 6

POSTED: 09:57 AM PST Mar 04, 2013    UPDATED: 11:00 PM PST Mar 05, 2014 

The Alamo falls, the Supreme Court rules in the Dred Scott case, the Oreo cookie and Silly Putty are introduced, Mike Tyson wins in his pro debut, and Eric Clapton enters the Rock and Roll Hall of Fame for a third time, all on this day.

OTD March 6 - periodic table
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Public domain

1869: Russian chemist Dmitry Mendeleev makes a formal presentation to the Russian Chemical Society on his first version of the periodic table of the elements. In his final version of the periodic table, he left gaps, foretelling that they would be filled by elements not then known and predicting the properties of three of those elements.

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