May 17, 1863 – Major General Ulysses S. Grant’s Federals routed Confederates under Lieutenant General John C. Pemberton and sent them fleeing into the defenses
May 1, 1863 – Major General Ulysses S. Grant’s Federals tried pushing inland from the Mississippi River to gain a foothold on the ground south
March 20, 1863 – The Federal vessels comprising the Yazoo Pass expedition began steaming back down the Tallahatchie River after failing to neutralize Fort Pemberton
March 2, 1863 – After nearly a month, the last Federal transport finally cleared Yazoo Pass in the effort to approach Vicksburg from the north.
February 7, 1863 – A Federal army-navy expedition began in an effort to capture Vicksburg by entering Yazoo Pass and approaching the city by water
January 28, 1863 – Major General Ulysses S. Grant arrived at Young’s Point to begin his third attempt to capture the Confederate stronghold of Vicksburg.