Oswald invited Celtic monks from [[Iona]] under Aidan to form a monastery on [[Holy Island]] ([[Lindisfarne]]); between 650 and 750 Northumbrian monasticism was an intellectual beacon in northern Europe | Oswald invited Celtic monks from [[Iona]] under Aidan to form a monastery on [[Holy Island]] ([[Lindisfarne]]); between 650 and 750 Northumbrian monasticism was an intellectual beacon in northern Europe |