Federal Admiral David D. Porter concedes that yet another effort to reach Vicksburg using the vast network of waterways to the north has failed.

Exploring the most important 55 months in American history
Federal Admiral David D. Porter concedes that yet another effort to reach Vicksburg using the vast network of waterways to the north has failed.
The Federal flotilla comprising the Yazoo Pass expedition turns around and goes back to its starting point after proving unable to neutralize Fort Pemberton near Greenwood, Mississippi.
David G. Farragut tries running his Federal naval squadron past the Confederate batteries at Port Hudson in an effort to move up the Mississippi River to Vicksburg.
Captain John S. Mosby and his Confederate partisans conduct a daring raid that targets a general who was tasked with capturing them.
As the Armies of Tennessee and the Cumberland remain relatively stationary in Middle Tennessee, smaller forces clash in an engagement at nearby Spring Hill.
Abraham Lincoln signs the most controversial bill of his presidency into law, providing for the first national military draft in U.S. history.