Simplify the following text for a Grade 9 native English-speaking person.
Original: Royal Rumble ( 2011 ) was a professional wrestling pay-per-view ( PPV ) event produced by World Wrestling Entertainment ( WWE ) , which took place on January 30 , 2011 at the TD Garden in Boston , Massachusetts .
Simplified: Royal Rumble ( 2011 ) was the twenty-fourth annual Royal Rumble professional wrestling pay-per-view event made by World Wrestling Entertainment ( WWE ) . It took place on January 30 , 2010 at the TD Garden in Boston , Massachusetts .