Union ram Queen of the West sails past Vicksburg to disrupt Confederate shipping. After being hit 12 time by artillery, she rams the Confederate ship City of Vicksburg.
General Joseph Hooker reorganizes the Army of the Potomac appointing J. F. Reynolds, Darius Couch, Dan Sickles, George Meade, John Sedgwick, W. F. Smith, Franz Sigel and Henry Slocum in command of individual corps. George Stoneman is named his cavalry chief. Smith's Ninth Corps is assigned to Newport News to increase pressure on Richmond
Federal ships including the Queen of the West take more than $2 million in cargo in a single day on the Mississippi, Red, and White Rivers and the clipper ship Jacob Bell in the Caribbean
The National Currency Act was signed into law by President Lincoln, creating a national banking system, a Currency Bureau and the office of Comptroller of the Currency. The act's goal was to establish a single currency.
At Ft. McAllister, federal gunships including the ironclad U. S. S. Montauk moved up the Ogeechee River to destroy the Rattlesnake, a Confederate privateer also known as the Nashville before it was decommissioned