20 years on.Harry Potter still making magic

The first installment of the Harry Potter seven-book series celebrates its 20th anniversary today, making it truly a joyous day for potterheads across the globe.

Taking to Twitter, celebrated author of the magic series J.K. Rowling said, "20 years ago today a world that I had lived in alone was suddenly open to others. It's been wonderful. Thank you."

Rowling told the story that how before publishing her first book "Harry Potter and the Philosopher's Stone" on June 26, 1997, she received "loads" of rejections.

Rowling once told her fans that she couldn't even get books published under the alias of Robert Galbraith, which she used for some thrillers she wrote.

It's been twenty years since the first 'Harry Potter' book hit the shelves.

Over the years, seven Harry Potter novels sold more than 450 million copies and have been translated into more than 60 languages.

According to a study by researchers in Italy, found that reading Potter books helped implant understanding in children.

The star cast Daniel Radcliffe, Emma Watson and Rupert Grint gained popularity and the audiences watched the cast grow up on screen and become megastars.