Simplify the following text for a Grade 6 native English-speaking person.
Original: The host city of the Games will be Rio de Janeiro as announced at the 121st IOC Session ( which is also the 13th Olympic Congress ) held in Copenhagen , Denmark , on October 2 , 2009 .
Simplified: A host city was announced in Copenhagen , Denmark , on October 2 , 2009 . It will be in Rio de Janeiro , Brazil .