The Western calendar, also known as the Gregorian calendar, was introduced by Pope Gregory XIII in October 1582 as a reform of the Julian calendar. The Gregorian calendar was widely adopted as the civil calendar in Europe by the late 16th century, and it has since become the most widely used civil calendar in the world.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence