As early as 729 - some authorities fix the date a hundred and fifty years before - the Culdees possessed a monastery at Dunkeld, which was converted into a cathedral by David I.
Of the castle, the oldest building is St Margaret's chapel, believed to be the chapel where Queen Margaret, wife of Malcolm Canmore, worshipped, and belonging at latest to the reign of her youngest son, David I.
Holyrood Palace was originally an abbey of canons regular of the rule of St Augustine, founded by David I.
Near the station are the ruins of the abbey of Cistercian nuns founded by David I.
Minting in Scotland began in the reign of David I.