January 20 in history: First African-American sworn-in as US President, Hong Kong ceded to Great Britain, and lots more!
Authored By Bharat Sharma
Published: Jan 21, 2020, 05:00 IST | Updated: Jan 21, 2020, 05:00 IST
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1841
Hong Kong ceded to Great Britain.
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1885
Lamarcus Adna Thompson receives patent for roller coaster ride.
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1892
First official Basketball game is played in Massachusetts, US.
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1942
Nazis hold Wannsee conference to discuss “Final Solution of the Jewish question”.
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2009
First African-American, Barack Obama sworn in as US President.
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