long long ago
- once upon a timeTraditional narrative opening
- ancientVery old indeed
- distantFar away or aloof
- bygoneOf earlier times
- olden daysHistorical past times
yesteryear · primordial · mythic · legendary · fairy tale · ancestors · chronicles · epochs · eons · timeless · forgotten · mist · dawn of time · origins · storytelling · fable · lore · medieval