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The Octagon House Octagon House Octagon Museum the Octagon
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The Octagon House, also known as the Colonel John Tayloe III House, is a house located at 1799 New York Avenue, Northwest in the Foggy Bottom neighborhood of Washington, D.C. It was built in 1799 for John Tayloe III, the wealthiest planter in the country, at the behest of his new family member, George Washington.
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