1. 1896 Summer Olympics   St. Louis   Munich   Athens   Antwerp   Hint Half-n-half Clue   2. 1968 Summer Olympics   Montreal   Mexico City   Munich   Tokyo   Half-n-half Clue   3. 1920 Summer Olympics   Antwerp   Munich   Berlin   Barcelona   Half-n-half Clue   4. 1976 Summer Olympics   Melbourne   Paris   Montreal   Sydney   Half-n-half Clue   5. 2012 Summer Olympics   Montreal   Atlanta   London   Berlin   Half-n-half Clue   6. 1984 Summer Olympics   Berlin   Los Angeles   Montreal   London   Half-n-half Clue   7. 1988 Summer Olympics   Athens   London   Helsinki   Seoul   Half-n-half Clue