12 May 1780 Charleston, SC. American Gen Benjamin Lincoln’s unconditional surrender, giving up over 3K men, 6K muskets & 400 guns to British Gen Henry Clinton, is the greatest US disaster of Frigates Boston, Providence & Ranger captured too.

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2 July 1779 in was the Battle of Pound Ridge. His 1st command, BANASTRE TARLETON led Loyalist forces on raid. BENJAMIN TALLMADGE led Sheldon's 2nd Light Horse in opposition. British captured Tallmadge letters re Culper Spy Ring.

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