Pope Pius VI. (1775-1799) returned to the project of Breviary reform.  Dom Gueranger tells us that the plan of reform was drawn up and presented to the Congregation of Rites, but the actual reform was not entered on.  Pope Pius IX. (1846-1878), at the request of Monsignor Sibour, Archbishop of Paris, appointed a commission to revise the Breviary, but their report caused the work to be abandoned.  Petitions for reform were sent to the Vatican Council, but very little resulted.  Leo XIII. (1878-1903) enriched the calendar by adding the names of many saints; he added votive offices, corrected the Breviary lessons for the feasts of a number of Popes, and, in 1902, he appointed a commission to deal with the hagiography of the Breviary and with its liturgy; but his death in the following year ended the work of the commission,

The unsatisfactory condition of the rules for the recitation of the Divine Office were apparent to everyone.  Scholars feared to face Breviary reform, the difficulties were so innumerable and so immense.  However, with wonderful courage and prudence, Pope Pius X. (1903-1914) tackled the work.  He resolved not to adopt a series of minor changes in the Breviary, but to appoint an active commission of reform, whose first work should be a rearrangement of the psalter which must bring back the recitation of the Divine Office to its early ideal—­the weekly recitation of the whole psalter.  The problem which faced Pope Pius X. in 1906 was the very same problem which faced his predecessor St, Pius V. (1566-1572), more than three hundred years ago.  St. Pius tried to solve the problem by a reform of the calendar, but the solution produced no permanent effect.  Pius X. and his commission went to the root of the difficulty, and by a redistribution of the psalms have made the ferial and the festive offices almost equal in length, and have so arranged matters that the frequent recitation of every psalm, and the possible and probable recitation of every psalm, once every week, is now an accomplished fact; and the old and much-sought-after ideal—­the weekly recitation of the whole Psalter—­is of world-wide practice.

On the publication of the new Psalter, Pope Pius announced that a commission would undertake a complete revision of the Breviary, a matter of great importance and one which must demand long years of care and study to accomplish.  A member of the committee which re-arranged the Psalter, Monsignor Piacenza, tells us that such revision must embrace:—­

1.  A reform of the calendar and the drafting of rules for the admission of feasts into the calendar of the universal Church;

2.  The critical revision and correction of the historic and patristic texts;

3.  The removal of spurious patristic texts;

4.  The remodelling of the rubrics;

5.  The institution of a new form of common office for confessors and for virgins to facilitate the lessening of the number of feasts of saints, without diminishing the honour due to them (Burton and Myers, op. cit., p. 144).