“相信太平盛事的人”可以翻译为 "those who believe in a time of great peace and prosperity" 或更简洁地表达为 "believers in an era of peace and prosperity"。
“太平盛事”通常指一个国家或社会长期和平、繁荣的时期，可译为“a time/era of great peace and prosperity” 。
“相信……的人”用“those who believe in...” 或 “believers in...” 来表达。