Related Clues:
- Wittenberg University's founding date
- The year 1550
- Nero's 1550
- Year Charles IX was born
- 1550, to a 60 Down
- 16th-century yr
- L x XXXI
- Year Columbus began his fourth voyage
- Year Columbus began his last voyage
- Super Bowl ___ (game that will be played in the year 3516, we assume)
- 1550, on some hypothetical cornerstone
- 1,502, in old Rome
- Year Columbus' fourth and last voyage began
- 1502, in Old Rome
- 1550, in Roman numerals