waters in the 18th and 19th centuries. It was also the site of a preliminary battle between forces that participated in the Battle of Lake Erie during the War of 1812. The battle itself took place in the Lake Erie Islands, at the western end of the lake, off the coast of Ohio. See also Twin Tiers Northern Tier Southern Tier New York–Pennsylvania border Pennamite–Yankee War References External links Explore PA History Further reading Border irregularities of the United States Former regions and territories of the United States History of Pennsylvania Geography of Erie County, Pennsylvania Internal territorial disputes of the United States