1. 1900 Summer Olympics   London   Atlanta   Los Angeles   Paris   Hint Half-n-half Clue   2. 1980 Summer Olympics   Moscow   London   Paris   Los Angeles   Half-n-half Clue   3. 1904 Summer Olympics   St. Louis   Antwerp   Paris   Los Angeles   Half-n-half Clue   4. 1976 Summer Olympics   Paris   London   Barcelona   Montreal   Half-n-half Clue   5. 1988 Summer Olympics   Melbourne   Seoul   Mexico City   Barcelona   Half-n-half Clue   6. 1932 Summer Olympics   Los Angeles   Stockholm   London   Tokyo   Half-n-half Clue   7. 1916 Summer Olympics   Berlin   Tokyo   Barcelona   Beijing   Half-n-half Clue