From Ohio History Central
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|source=The Ohio Historical Society SC 2433
|description=John Johnston (1775-1861) was born in Ireland and emigrated to the United States at the age of 11. As a young man, Johnston (also spelled Johnson) served under General Anthony Wayne in the Ohio Country. In 1802, President Thomas Jefferson appointed Johnston to be the Indian Agent at the trading agency in Fort Wayne, Indiana Territory. From 1811 until 1829, Johnston served as the agent at the newly established agency at Piqua, Ohio, where he faced numerous difficulties in helping the natives. Johnston also helped negotiate the Treaty of Upper Sandusky in 1842, which resulted in the Wyandot
Indians selling their land and moving west of the Mississippi River. Johnston played an important political and social role in Ohio as well. He was a strong advocate of the Whig Party, helped found Kenyon College and also served on the board of trustees of Miami University. Johnston also published one of the earliest histories of the Native Americans that once called Ohio home. He died in 1861 in Washington, DC.