The article explores the relationships between the universal and the particular in high medieval Europe. It notes the enduring appeal of views of the period as being marked by an increasingly unified ‘European’ culture and explains their modern salience. It observes the parallel phenomena of division and plurality in the period and the prominence of themes of conflict and fragmentation in the following centuries. The purpose of the article is to re-examine the relationship between these seemingly contradictory forms and developments. Its aim is to illuminate and explain the strengthening elements of division and disunity discernible in Europe between the eleventh and the fourteenth centuries in terms of the new, over-arching cultural unitie...