May 15, 1861
- Robert Anderson promoted to Brigadier General
- Nathaniel Lyons [US] occupies Jefferson City, capital of Missouri
- The First Wheeling Convention closes.
A Chronological History of the Civil War in America1
- Governor of Maryland issued a proclamation calling for four regiments of volunteers, in response to the President’s demand.
- Legislature of Massachusetts offered to loan the Government $7,000,000.
- Wheeling Convention adjourned after passing resolutions in favor of the Union and recommending a division of the State of Virginia.
- A Chronological History of the Civil War in America by Richard Swainson Fisher, New York, Johnson and Ward, 1863