As WGN TV celebrates 75 years, we’re looking back with a series of stories on the history and the memories.

Chicago voters will cast their ballots on Feb 28 for the city’s next mayor. And as WGN celebrates its 75th anniversary this year, we are looking back at some great moments in the Channel 9 archival video library.

We unearthed an interview of a man dressed as Uncle Sam making a pitch to legalize Bingo.