And for the third time Orlando shared in that fine heroic madness destined to be vanquished at Mentana by the Pontifical Zouaves supported by a small French corps.

Again wounded, he came back to Turin in almost a dying condition.

But, though his spirit quivered, he had to resign himself; the situation seemed to have no outlet; only an upheaval of the nations could give Rome to Italy.
All at once the thunderclap of Sedan, of the downfall of France, resounded through the world; and then the road to Rome lay open, and Orlando, having returned to service in the regular army, was with the troops who took up position in the Campagna to ensure the safety of the Holy See, as was said in the letter which Victor Emmanuel wrote to Pius IX.

There was, however, but the shadow of an engagement: General Kanzler's Pontifical Zouaves were compelled to fall back, and Orlando was one of the first to enter the city by the breach of the Porta Pia.

Ah! that twentieth of September--that day when he experienced the greatest happiness of his life--a day of delirium, of complete triumph, which realised the dream of so many years of terrible contest, the dream for which he had sacrificed rest and fortune, and given both body and mind! Then came more than ten happy years in conquered Rome--in Rome adored, flattered, treated with all tenderness, like a woman in whom one has placed one's entire hope.