Each day around 10:20 am and 2:20 pm we step into a time machine and take a look back. Who was born? What was going on in the world? What happened in music?

Today on July 17th

In 1975-Country superstar Luke Bryan was born. He's 43 today and don't forget, he'll be in Bangor August 8th!

Frazer Harrison, Getty Images
Frazer Harrison, Getty Images
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In 1995-A Boston trolley rammed into another train under Copley Square injuring 32 people.

In 1987-Ozzy Osbourne set off on a 16-week prison tour and debuted his metal version of Elvis' "Jailhouse Rock".

Stephen Lovekin, Getty Images
Stephen Lovekin, Getty Images
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And that's what happened today in history.

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