5. ALASKA :
Alexander II of the Russian Empire thought Alaska is useless with a lot of ice, so he sold it to the USA for $7.2 Million, approximately 1 billion Dollars in today's money but now Alaska one of the most important areas in the world with price above $50 billion.
#OnThisDay 1972: The "King of Rock 'n' Roll", the irrepressible Little Richard talked about letting it all hang out, spreading joy and fixing Chuck Berry