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The ERA, a medieval chronological reckoning
The Julian or province-era, generally called ERA, was widely documented throughout Europe during the Middle Ages from the 5th to the 15th centuries at a time long before our modern AD-reckoning came into…
Research on calendar and chronology of our history
The Julian or province-era, generally called ERA, was widely documented throughout Europe during the Middle Ages from the 5th to the 15th centuries at a time long before our modern AD-reckoning came into…
