The phrase "sixth century" refers to a time period that occurred in history between the years 501 and 600. It is typically used to describe events, people, or developments that took place during this specific century. Full definition
D and H, presumably from the seventh and sixth centuries respectively, have a very considerable section; and of course it is law which is the dominant interest of P. (religion-online.org)
Groups or guilds of prophets are attested over the whole range of the history of the kingdoms from the time of Saul in the eleventh century B.C. until the fall of Jerusalem in the early sixth century B.C. Nor is there any question that these associated professional prophets were related to the cultus and / or the court and regularly discharged certain cultic professional duties. (religion-online.org)
A famous example involves Cleisthenes, tyrant of Sicyon, in early sixth century BC. (myintimcity.com)