In the US it refers to movies that gross over $100 million. Of course, in case of movies budgeted between $100-200 million, they're expected to earn more to be considered a hit.
The highest grossing films of 1996 were:
Independence Day
Twister
Mission: Impossible
The Rock
The Hunchback of Notre Dame
Ransom
Jerry Maguire
The Nutty Professor
101 Dalmatians
The...
Hello, It would be a little too much to post them all here, but I've including some links to some sites that have those lists of the top Box office hits. Hope that helps.