Soon after he reached the enemy's country, he met a party about equal in number to his own. A battle ensued. The Osages lost near one hundred men, and Black Hawk nineteen. He claims, in the attack, to have killed five of the enemy, with his own hand. This severe engagement had the effect, for some time, of keeping the Osages upon their own lands and arresting their depredations upon the Sacs. This cessation of hostilities gave the latter an opportunity of redressing the wrongs which the Cherokees had committed upon them, by murdering some of their women and children. A party was raised for this purpose, and met the Cherokees upon the Merrimack river, below St. Louis, the latter being most numerous. In this battle Py-e-sa, the father of Black Hawk was killed. The Cherokees were compelled to retreat with the loss of twenty-eight men, the Sacs having but seven killed. Upon the fall of Py-e-sa, Black Hawk assumed the command and also took possession of the "medicine bag," then in the keeping of his father. Owing to the disasters of this expedition, and especially the death of his father, Black Hawk, for the ensuing five years, refrained from all warlike operations, and spent his time in fishing and hunting. At the end of this period, being about the year 1800, he made another excursion, against the Osages, at the head of about five hundred Sacs and Foxes and a hundred Ioways, who had joined him as allies. After a long march they reached and destroyed about forty lodges of the enemy, killing many of their bravest warriors, five of whom were slain by the leader of the invading army. In the year 1802, he terminated a severe and protracted campaign against the Chippewas, Kaskaskias and Osages, during which six or seven battles were fought and more than one hundred of the enemy killed. The following summer Black Hawk made one of his periodical visits to St. Louis to see his Spanish father, by whom he was well received. Upon his next visit to this Spanish dignitary, he found many sad and gloomy faces, because the United States were about to take possession of the town and country around it. "Soon after the Americans arrived," says Black Hawk, "I took my band and went to take leave, for the last time, of our father. The Americans came to see him also. Seeing them approach, we passed out at one door, as they entered at another--and immediately started, in our canoes, for our village on Rock river--not liking the change any more than our friends appeared to at St. Louis. On arriving at our village, we gave the news that strange people had taken St. Louis, and that we should never see our Spanish father again. This information made all our people sorry. Sometime afterwards (1805) a boat came up the river with a young American chief (Lieutenant, afterwards General Pike,) and a small party of soldiers. We heard of them, soon after he had passed Salt river. Some of our young braves watched him every day, to see what sort of people he had on board.