This is History: Adler Planetarium Opens, Capone Convicted, Alan Freed’s Rock N’ Roll, Final ‘I Love Lucy’, Ernie Banks Coaches the Cubs, Cinco De Mayo

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Ben Franklin’s experimentation with lightning, 90 years of Maxwell House Coffee, the Adler Planetarium opened in 1930, Al Capone goes to prison, Alan Freed creates the phrase ‘Rock & Roll, the final episodes of ‘I Love Lucy’ and “Friends’ air, Ernie Banks manages the Cubs.