| big-league(adjective, importance, main, extremely significant) |
| essential(adjective, importance, main, extremely significant) |
| fateful(adjective, importance, main, extremely significant) |
| grand(adjective, importance, main, extremely significant) |
| grave(adjective, importance, main, extremely significant) |
| historical |
| monumental(adjective, great, extraordinary, important, outstanding) |
| remarkable(adjective, importance, main, extremely significant) |
| crucial(adjective, great, important, lively, significant) |
| exciting(adjective, importance, main, extremely significant) |
| relevant(adjective, importance, main, extremely significant) |
| ancient |
| celebrated(adjective, great, extraordinary, outstanding, remarkable) |
| chronological(adjective, record, history, chronology, timeline) |
| eventful(adjective, great, important, lively, significant) |
| major(adjective, important) |
| noteworthy |
| unforgettable(adjective, great, extraordinary, outstanding, remarkable) |
| vintage(adjective, antique, old-time, oldfangled, old-school) |
| Homeric |