This book critically explores the idea of Europe since the French Revolution from the perspective of intellectual history. It traces the dominant and recurring theme of Europe-as-Christendom in discourse concerning the relationship of religion, politics and society, in historiography and hermeneutics, and in theories and constructions of identity and ‘otherness’. It examines the evolution of a grand narrative by which European elites have sought to define European and national identity. This narrative, the author argues, maintains the existence of common historical and intellectual roots, common values, culture and religion. The book explores its powerful legacy in the positive creation of a sense of European unity, the ways in which it has been exploited for ideological purposes, and its impact on non-Christian communities within Europe.