| Date | Answer | Clue |
| 1st (1954) | |
| 2nd (1965) | |
| 3rd (1992) | |
| 4th (1980) | |
| 5th (1963) | |
| 6th (1969) | |
| 7th (322bc) | |
| 8th (1618) | |
| 9th (1976) | |
| 10th (1910) | |
| 11th (1302) | |
| 12th (1918) | |
| 13th (1519) | |
| 14th (1964) | |
| 15th (1938) | |
| 16th (1850) | |
| | Date | Answer | Clue |
| 17th (1756) | |
| 18th (1881) | |
| 19th (1953) | |
| 20th (1995) | |
| 21st (1963) | |
| 22nd (1945) | |
| 23rd (1998) | |
| 24th (1989) | |
| 25th (1306) | |
| 26th (1937) | |
| 27th (1625) | |
| 28th (1979) | |
| 29th (1967) | |
| 30th (1867) | |
| 31st (1889) | |
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