History thumb|300px|Millstone National Historic District Millstone, then called Somerset Courthouse, was the county seat of Somerset County from 1738 until the British burned it to the ground in 1779 during the American Revolutionary War.A Brief History of Millstone, also known as Somerset Courthouse; Early History, Millstone Borough. Accessed February 2, 2015. After the victory at Princeton on January 3, 1777, General George Washington headquartered at the Van Doren house, while the army camped nearby that night. The next day, they marched to Pluckemin on the way to their winter encampment at Morristown.Honeyman, A. Van Doren. "The Second Somerset Courthouse - At Millstone", pp. 50–58. in Somerset County Historical Quarterly, 1912. Accessed February 2, 2015.Fischer, David Hackett. Washington's Crossing, p. 342. Oxford University Press, 2006 (New York). .
History thumb|300px|Millstone National Historic District Millstone, then called Somerset Courthouse, was the county seat of Somerset County from 1738 until the British burned it to the ground in 1779 during the American Revolutionary War.A Brief History of Millstone, also known as Somerset Courthouse; Early History, Millstone Boro,ugh. Accessed February 2, 2015. After the victory at Princeton on January 3, 1777, General George Washington headquartered at the Van Doren house, while the army camped nearby that night. The next day, they marched to Pluckemin on the way to their winter encampment at Morristown.Honeyman, A. Van Doren. "The Second Somerset Courthouse - At Millstone", pp. 50–58. in Somerset County Historical Quarterly 1912. Accessed February 2, 2015.Fischer, David Hackett. Washington's Crossing, p. 342. Oxford University Press, 2006 (New York). .