At the beginning of 1755, England sent out additional soldiers and means of war, and appointed General Braddock, who had distinguished himself as a soldier, to act as military chief.

At this time, “Dr. Franklin estimated the whole English provincials at a total of 1,200,000; whilst the whole number of people in Canada, Cape Breton, Louisiana, &c., was under 80,000 souls.”—​(Garneau.) At the same time France was weak, by the presence of an indolent King, who allowed himself and kingdom to be governed by a courtesan, Madame de Pompadour. Religious dissensions and stagnation of trade, all contributed to place France in but a poor position to engage in war. Great Britain, on the contrary, was in all respects prosperous. At such a favorable time it was that the Anglo-Americans urged the mother country to carry on, with the utmost rigor, a war for the subjugation of Canada. Franklin, as astute a politician as clever in science, was their principal mouthpiece. He who, twenty-five years thereafter, repaired to Paris, to arouse the public feeling of France and entire Europe against Britain; the same who came to Canada to revolutionize it in 1776, was, in 1754, the greatest promoter of the coming invasion of the French possessions in North America. “There need never be permanent repose expected for our thirteen colonies,” urged he, “so long as the French are masters of Canada.” Thus was inaugurated what is known as the seven years’ war.

The respective combatants marshalled their forces for the conflict. The French, nothing daunted, took energetic measures to repel the foe, and strike blows here and there, as opportunity afforded. A force was sent to take Fort Oswego from the English, while Johnson, a name to be mentioned hereafter, was despatched to attack Fort Frederick. The first great battle was fought in the Ohio valley, by General Braddock. Here the French gained a signal victory, with but a few men, and utterly put to rout their enemy. At Fort Edward, the French, under General Dieskau, were less successful in an encounter with Johnson, the French commander being taken prisoner.

The close of the first year saw Forts Frederick, Niagara and Duquesne, still in the hands of the French, while bands of savages and Canadians traversed the British settlements, massacring and burning all before them.

The ensuing year witnessed more elaborate arrangements to continue the war. France sent to Canada soldiers, provisions, war material and money; and, also, the Marquis de Montcalm was selected to take charge of the army. Montcalm had seen service, and with him came other officers likewise experienced.

Proceeding to Montreal, he conferred with the Governor, and it was determined to form two principal camps, one at Ticonderoga, the other at Frontenac, and a battalion was despatched to Niagara.

The British, at the same time, made extensive preparations, both in the colonies and at home, and the Earl of London was appointed generalissimo.

It is a remarkable fact that Montcalm had from the first a fatal presentiment as to the issue of the war; yet he, all the same, took every step that prudence and energy directed, to secure the success of his army. There was also a coolness between him and the Governor, who manifested a determination and energy worthy of him. It was determined that fresh attempts should be made to possess Fort Oswego, and General Montcalm arrived at Frontenac for that purpose on the 29th of July. Upon the 11th August they reached Oswego and invested the Fort, which was obliged to surrender on the 14th, the commander, Colonel Mercer, having been killed. The Fort was razed to the ground. The Canadians then withdrew to their homes carrying the prisoners of war, and the guns of the Fort, and provisions with them. This was the principal event of this year. The winter saw the Canadians suffer from famine and small-pox. During the winter 1757–8, there was continued hostility, and in the following year Montcalm succeeded in taking Fort William Henry, after a siege of four days. Colonel Munroe commanded the Fort, and he trusted for support to General Webb, who failed to afford it, but instead sent a message to Munroe to retire, which note fell into the hands of Montcalm. Munroe on the morning of the 9th, displayed his flag of truce. The events of this capitulation have ever been held in remembrance, because of the fearful massacre which the Indians made of the English, who had surrendered, and who marched out without their arms, in full confidence in the integrity of the victorious besiegers. Stern history has cast no little blame upon Montcalm, for at least remissness of duty; and the pen of historic fiction has found it a fruitful theme with which to weave a story, and record thrilling events.

The ensuing winter was one of great privation to the Canadians, the harvest had failed; and everything began to look dark indeed for the devoted French; yet four years of war had given all the advantage to their arms. The continued ill-success of the British, caused them to raise increased numbers of men, so that by numerical force they might overwhelm the French. In the spring of 1758, 80,000 British combatants were ready to march. While such was the condition and war-like spirit which obtained upon the British side, a far different state of affairs existed with the French. Success had so far attended the gallant feats undertaken by them. All along the lengthened border the foe had been defeated, or had gained but scant victory. Again, the Iroquois nation, impressed with the success thus obtained by the French, and gratified to have the Fort of Oswego, always unpleasant to them, destroyed, seemed inclined to take sides with them, certainly did not favor the English. But, when so much has been said the extent of French power in America has been stated. Canada was no longer receiving support from France. The colonists had been weakened by continual warfare and repeated crop-failures.

But undeterred by the dark clouds that continued to thicken, the Canadians buckled on their armor to fight till the very last. Says Montcalm to the Minister at home, “We shall fight and we shall bury ourselves, if need be, under the ruins of the colony.” Again the tide of war ebbed and flowed with fearful power. Carillon was made red with British blood, as vain endeavors were made to capture that French strong hold. Against Louisburg, Cape Breton, Carillon, Lake Champlain, and Duquesne in the Ohio Valley, the English arrayed their fleets and armies. In the attack now made upon Louisburg, for the first time appears the name of Wolfe, who distinguished himself by scaling a rock, with a hundred men, which had hitherto been regarded unaccessible. After a spirited defence, the French surrendered the Fort, a perfect wreck, July 26. About this time Cape Breton passed into British hands, and thus was opened to the English, the Fort of Quebec.