By the City of Baltimore, the general details of whose news we give elsewhere, we have the highly important and gratifying intelligence that on Sunday, June 19, the rebel pirate Alabama was engaged off Cherbourg by the United States steamer Kearsarge, which sunk her after an engagement lasting an hour and a half. The following is a brief statement of the battle as given by the English papers: The report that the rebel cruiser Alabama gone out from Cherbourg to fight the United States steamer Kearsarge, which was hovering off that port, turned out to be true, and resulted in...