April 27, 1861
- President Lincoln suspends the writ of habeas corpus between Washington, D.C., and Philadelphia to give military authorities the necessary power to silence dissenters and rebels.
- Lincoln extends the blockade to include Virginia and North Carolina
- Virginia offers Richmond as the Confederate capital.
A Chronological History of the Civil War in America1
- President’s proclamation ordering the ports of Virginia and North Carolina to be blockaded.
- A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863