Simplify the following text for a Grade 12 native English-speaking person.
Original: The 1984 Winter Olympics , officially known as the XIV Olympic Winter Games , was a winter multi-sport event which was celebrated from February 8-19 , 1984 in Sarajevo in Bosnia and Herzegovina , which at the time was part of the Socialist Federal Republic of Yugoslavia .
Simplified: The 1984 Winter Olympics , officially known as the XIV Olympic Winter Games , were celebrated in Sarajevo , then in Yugoslavia and now in Bosnia and Herzegovina .