Here’s a look back at what happened in the Chicago area on Aug. 20, according to the Tribune’s archives. Is an important event missing from this date? Email us. 1948: The National League champion ...

Before Beyoncé and Taylor Swift were John, Paul, George and Ringo. The Fab Four. The spearhead of the British Invasion. Then, and probably still now, the most popular rock ’n’ roll band in the world.