| Hint | Answer | % Correct |
|---|---|---|
| Treaty of Rome | 1958 | 94%
|
| Treaty of Maastricht | 1993 | 94%
|
| Treaty of Amsterdam | 1999 | 88%
|
| Treaty of Paris | 1952 | 82%
|
| Treaty of Nice | 2003 | 82%
|
| Treaty of Lisbon | 2009 | 82%
|
| Single European Act | 1987 | 76%
|
| Treaty of London | 1949 | 47%
|
| Schengen Agreement | 1995 | 47%
|