THE SIGMUNDIC CALENDAR The Sigmundic Calendar derives from the historic calendar and time-keeping of the ancient Highlander tribes, used in variation by the Raevir, Hansetian, and fellow peoples (though under different names). The Common and Imperial Calendars came to supersede it in usage by northern statesmen and scholars, and while the Sigmundic Calendar is rarely used in everyday use, it is still maintained in traditional, liturgical, and some scholastic functions. The year-dating by th