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Tag: Date

4th October 1582: Gregorian calendar introduced by Pope Gregory XIII

On the 4^th October 1582, Pope Gregory XIII implemented the Gregorian calendar.

The Islamic calendar was dated to start with the first new moon after the Prophet Muhammad and his followers migrated to Medina.ituals.

Prior to the adoption of universally accepted time zones, the vast majority of settlements around the world observed local mean solar time.