Simplify the following text for a Grade 11 native English-speaking person.
Original: Cold Lake was originally three communities , and was eventully formed by merging the Town of Grand Centre , the Town of Cold Lake , and Medley which was a Canadian Forces Base 4 Wing on October 1 , 1996 .
Simplified: Originally three communities , Cold Lake was formed by merging the Town of Grand Centre , the Town of Cold Lake , and Medley ( Canadian Forces Base 4 Wing ) on October 1 , 1996 .