Simplify the following text for a Grade 7 native English-speaking person.
Original: Lillehammer won the right to host the event in September 1988 in Seoul before the opening ceremony of the 1988 Summer Olympics . The Lillehammer Games were held in 1994 , the only time the Winter Games have occurred two years after the previous games .
Simplified: The 91st IOC Session , held in Seoul on 15 September 1988 , voted Lillehammer the host for the games .