Original: The film broke a record for the largest financial amount made for an animated film on opening weekend, a record it kept until 1986, when An American Tail, an animated film directed by Rescuers animator Don Bluth, broke the record.
Simplified: The movie broke a record for the largest financial amount made for an animated film on opening weekend, a record it kept until 1986, when An American Tail, an animated movie directed by Rescuers animator Don Bluth, broke the record.