Busaco And Torres Vedras.
Instead of pressing forward upon his invasion of Portugal, Massena prepared to besiege Almeida, and for a month the British and Portuguese army remained in their position within a few hours' march of that town. Wellington expected that Almeida would be able to resist for two months, and hoped to find some opportunity for falling suddenly upon the besiegers; but even a resistance of two months would have made it so late in the season that Massena must have postponed his invasion until the next spring.

Upon the morning of the 26th of August the French batteries opened fire, and from Guarda the dull, heavy roar of artillery could be heard all day. As darkness fell, the officers of the Rangers were, as usual, assembling round their fire, when the earth seemed to shake beneath their feet, and a flash like that of summer lightning lit the eastern sky. "What can that be?" was the general exclamation. A minute later, and a deep, heavy, prolonged roar sounded in their ears--then all was quiet.