This proven presentation provides an overview of the history of Christianity and its internal connections. It focuses less on names, dates, and individual facts, and more on the fundamental structures and key events. Special attention is given to the prerequisites and conditions of the events. The various areas of Christian life and thought - the history of theology, piety and worship, spiritual institutions, and church politics - are interrelated, with the key figures examined in their historical context. This book is suitable for readers who want to understand the whole picture as well as for those seeking specific information.