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.
After nearly a month, the last Federal transport finally clears Yazoo Pass in an effort to get to the Confederate stronghold of Vicksburg, Mississippi.
A Federal army-navy expeditionary force struggles to get through Yazoo Pass in an effort to get at the Confederate stronghold of Vicksburg, Mississippi.
Ulysses S. Grant initiates several projects designed for the Federals to cut their way toward Vicksburg, Mississippi. The project involving Yazoo Pass becomes the one most likely to succeed.
Earl Van Dorn leads a Confederate cavalry raid that temporarily stops Ulysses S. Grant’s Federal drive on Vicksburg.
Ulysses S. Grant tends to administrative duties in Mississippi, and the question of whether Grant or John A. McClernand would lead a Federal army against Vicksburg is finally clarified by Washington.