| Date | Answer | Clue |
| 1st (1981) | |
| 2nd (1990) | |
| 3rd (1492) | |
| 4th (1984) | |
| 5th (1975) | |
| 6th (1945) | |
| 7th (1960) | |
| 8th (1974) | |
| 9th (1995) | |
| 10th (1846) | |
| 11th (1987) | |
| 12th (1851) | |
| 13th (1521) | |
| 14th (1925) | |
| 15th (1057) | |
| 16th (1977) | |
| | Date | Answer | Clue |
| 17th (1969) | |
| 18th (1958) | |
| 19th (1960) | |
| 20th (1882) | |
| 21st (1911) | |
| 22nd (1864) | |
| 23rd (1305) | |
| 24th (79ad) | |
| 25th (1952) | |
| 26th (1939) | |
| 27th (1961) | |
| 28th (1963) | |
| 29th (2005) | |
| 30th (1980) | |
| 31st (1991) | |
|