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J.K. Rowling Is Celebrating Harry Potter's 20th Anniversary With The Internet

By Mustafa Gatollari

Pssst. Want to feel old? Yeah? Wait, no? Well too bad.

It's been 20 years since the first Harry Potter book was released. That's right.

Author J.K. Rowling tweeted about the milestone and even included the special hashtag Twitter made in honor of the day that kicked off a social phenomenon.