Commanding the Federal occupation forces in New Orleans, Benjamin F. Butler issues an order that solidifies his infamous reputation among southerners.
Henry W. Halleck issues General Orders as part of his Federal program to suppress alleged disloyalty in Missouri.
Nathaniel P. Banks, commanding Federals around Baltimore, receives orders to use military force to prevent the state from seceding.
Both the Federal government and the people in the North step up scrutiny of anti-war sentiment, and constitutional guarantees are threatened.
Federal forces arrest a suspected secessionist, prompting a sharp response from the U.S. Chief Justice regarding civil liberties.
May 18, 1864 – A forged presidential proclamation was sent to the press in an effort to drive up the price of gold. This caused