Several times the ranch was lost and retaken. By sundown the Spaniards advanced all along the line. The battle seemed lost to the patriots. At this juncture, as the famous regiment of Burgos on the Spanish right was drawing in its deployed lines for a final column attack, Colonel O'Brien, at the head of the insurgent cavalry reserves, charged into the opening and overthrew the Burgos battalions. O'Higgins immediately charged the rest of the Spanish right wing, and San Martin simultaneously attacked in the centre. The whole Spanish army gave away. More than 2,000 Spaniards were killed and wounded. Osorio with his staff escaped to Peru. The victory of Santiago not only freed Chile, but left Peru open to the revolutionists. [Sidenote: Monroe's Presidency] In the United States of North America, during this interval, a new President had begun his administration. James Monroe was inaugurated as President in his fifty-ninth year. He had been a member of the Continental Congress, and at thirty-six a Minister to France. Under Madison he served as Secretary of War. Crawford, Calhoun, Meigs, Wirt and Rush were members of his Cabinet, and were all of the dominant Democratic-Republican party. Business throughout the country began to revive almost at once when the re-chartered National Bank went into operation in Philadelphia on the day of Monroe's inauguration. [Sidenote: "Era of good feeling"] In June, President Monroe undertook a three months' personal inspection of the military posts of the country. Passing through New York, Boston and Portland, and crossing New Hampshire and Vermont to Ogdensburg, he took a boat to Sackett's Harbor and Niagara. From there he went to Buffalo and Detroit, and returned to Washington. Everywhere the people greeted him by thousands. Monroe on this occasion wore the three-cornered hat, scarlet-bordered blue coat and buff breeches of the American Revolutionary army. The "Boston Journal" called the times the "Era of Good Feeling," and the expression has passed into American history as a characteristic of Monroe's entire administration. [Sidenote: Western prairies settled]