Preface to the Edition of 1904

Forty years have passed since this book was first published, and since then our knowledge of mediaeval history has been much increased and events have happened which render some of the remarks then made no longer applicable. I have not however attempted to rewrite the whole book, for this reason, among others, that were I to do so it would almost inevitably grow out of a small volume devoted to a single Idea and Institution into a systematic history of the Empire and the Popedom in the Middle Ages. That would double or treble its size, and make it unsuitable to one class of the students who have used it in its present form. I have therefore confined myself to such changes and enlargements as seemed to be most needed. Where events of significance had been omitted or too briefly noticed, additions have been made. For instance, the struggle of the Emperor Lewis IV against Pope John XXII and the careers of Arnold of Brescia and Cola di Rienzo have been somewhat more fully described. An entirely new chapter has been inserted dealing with the East Roman or Byzantine Empire, a topic inadequately handled in previous editions. A concluding chapter, sketching the constitution of the new German Empire and the forces which have given it strength and cohesion, has been appended. This chapter, and that which (first published in 1873) traces the process whereby after 1813 national sentiment grew in Germany, and national unity was achieved in 1871, are not indeed necessary for the explanation Edition: current; Page: [vi] of an institution whose best days were over four centuries ago. But they help to explain it, if only by contrast; and the convenience to a reader of finding a succinct account of the foundation and the character of this modern representative—if one may call it so—of the mediaeval Empire will, I hope, be deemed to compensate for whatever loss of symmetry is involved in an extension of the treatise beyond its original limits. With a similar practical aim, I have prefixed a pretty full Chronological Table of important events, presenting such an outline of the narrative history of the Empire as may serve to elucidate the text, and have added three maps.

The book has been revised throughout: statements which seemed to have been too broadly expressed, or which political changes have made no longer true, have been corrected: more exact references have been given and new illustrations inserted in the notes. I have to acknowledge with cordial thanks the help which in the verification of statements and references I have received from my friend Mr. Ernest Barker, lecturer on history at Wadham College, Oxford.

Did custom permit the dedication to any one of a new edition of a book long before the public, I should have dedicated the pages that follow to Mr. Goldwin Smith, now the honoured patriarch of English historians, from whom forty-three years ago, when he was professor at Oxford, I received my first lessons in modern history, and whose friendship I have ever since been privileged to enjoy.