Simplify the following text for a Grade 11 native English-speaking person.
Original: The European Grand Prix ( sometimes referred to as the Grand Prix of Europe ) is a Formula One event that was reintroduced during the mid-1980s and has been held regularly since 1999 .
Simplified: Formula One season ( sometimes referred to as the Grand Prix of Europe ) is a Formula One event that was reintroduced during the mid-1980s and has been held regularly since 1999 .