Organization of the Allied army of occupation, under the supreme command of the Duke of Wellington—Return of the remainder to their respective countries—Instructions of the Allied Courts to Wellington—Convention relating to the occupation, attached to the Treaty of Paris—Positions assigned to each contingent on the north-eastern frontier of France—March from Paris to Cambrai—Military precautions—Camps of instruction and field exercises—Reduction of the army of occupation—Difficulties with the French—Congress of Aix-la-Chapelle—Evacuation of France—The Guards Brigade leave Cambrai, after nearly three years' stay there, and embark at Calais—Valedictory Orders—The Coldstream sent to Chatham—Conclusion of military service in French territory. In consequence of the Treaty of Paris, November 20, 1815, the capital was to be relieved of the unwelcome presence of the invader, and all the troops not required for the occupation of the north-eastern frontier were to evacuate France as soon as possible, and to be sent back to their respective homes. Of the Allied army of occupation, 150,000 strong, Great Britain, Prussia, Austria, and Russia supplied a contingent of 30,000 men each; of the remainder 10,000 were Bavarians, while Denmark, Saxony, Hanover, and Wurtemburg furnished each a force of 5000 men. By a General Order, dated the 30th of November, the future organization of the British contingent was notified. It was formed of 3 brigades of cavalry (3 regiments each), 3 divisions of infantry, and 60 guns; the cavalry under the command of Lieut.-General Lord Combermere, and the infantry under Lieut.-General Lord Hill. The First Division (Lieut.-General Sir L. Cole) was composed of 3 brigades (8 battalions); the Second Division (Lieut.-General Sir H. Clinton) of 3 brigades (9 battalions); and the Third Division (Lieut.-General Sir C. Colville) of 3 brigades (8 battalions). The 3rd Battalion Grenadier Guards, and the 2nd Battalion Coldstream Guards, who were ordered to remain in France, formed the 1st Brigade of the First Division, under Major-General Sir P. Maitland.[75] The Duke of Wellington, having in the same General Order provided for the return home of the rest of the army, took leave of the gallant troops now about to be dispersed, in these words:—