There is only one religion, though there are a hundred versions of it.
George Bernard Shaw, Plays Pleasant and Unpleasant, Vol. II, preface (1898)
Lutheranism is a major branch of Protestant Christianity that identifies with the teachings of the sixteenth-century German reformer Martin Luther. The map shows how it has spread first to Scandinavia, and there are also now large populations in Indonesia, Madagascar, and Tanzania. (Information source: Wikipedia)