Farragut arrives at Vicksburg with the fleet that has taken New Orleans and Baton Rouge, and demands the surrender of the city, but is refused. After a few days of ineffectual shelling of the city, he returns to New Orleans, leaving a small flotilla at Vicksburg.
Maj. Gen. Earl Van Dorn placed in command of the Confederate Department of Southern Mississippi and East Louisiana, and is charged with the defense of Vicksburg.
Farragut returns to Vicksburg and begins shelling the defensive batteries with mortars.
Brig. Gen. Thomas Williams begins work on a canal across the neck of land opposite Vicksburg.
Farragut's Federal fleet runs past the Vicksburg batteries.
Commodore Davis arrives at Vicksburg with the Mississippi River gunboat squadron.
Federal gunboats Carondolet, Tyler, and Queen of the West encounter the Confederate ironclad Arkansas in the Yazoo River. The Arkansas disables the Carondolet but takes several hits. Nonetheless, she enters the Mississippi and runs the gauntlet of the Federal fleet before taking refuge under the Vicksburg shore batteries.
Essex and Queen of the West attack the Arkansas as she lies moored at Vicksburg, but are unable to do substantial damage.
Farragut again retires from Vicksburg downriver.
Commodore Davis takes the gunboat fleet north to Helena, Arkansas
Maj. Gen. John C. Pemberton placed in command of the new Confederate Department of Mississippi and East Louisiana, replacing Van Dorn.
David Dixon Porter placed in command of the Mississippi Squadron, replacing Charles Davis.
Lincoln authorizes Maj. Gen. John C. McClernand to recruit in Indiana, Illinois, and Iowa.
Maj. Gen. U.S. Grant appointed as commander of the Federal Department of the Tennessee.
Grant begins his overland advance through central Mississippi.
Hovey's forces of Inf, and Cav. under Washburn move by transports from Helena to Delta,Miss.
Brig. Gen. Washburn assembles his 1,900 cav. and heads toward Granada to cut the
Mississippi and Tennessee RR.
Hovey startes his Inf. toward Granada behind Washburn
Grant establishes his headquarters at Holly Springs, Mississippi.
In the evening, Griffith's Texas Cav. and 4 guns of McNally's Arkansas Battery, leave
Tobytubby to intercept Washburn
Federal troops reach the line of the Tallahatchie.
Pemberton abandons the Tallahatchie line to retreat behind the Yalobusha.
Grant occupies Oxford, Mississippi.
Washburn recalled, meets Hovey at the mouth of the Coldwater.
Hovey returns to Helena. Raid is ieffective in destruction of the railroad, but causes
Pemberton to fall back because of threats of raids on his line of communications
Federal ironclad Cairo sinks in the Yazoo River after hitting a mine.
Sherman leaves Memphis with 32,000 troops.
Van Dorn's cavalry force destroys Grant's main depot at Holly Springs, Mississippi. In conjunction with a raid by Forrest against the Tennessee railroads, this action forces Grant to halt his advance and retire northwards.
Sherman lands at the mouth of the Yazoo.
Sherman attacks at Chickasaw Bluffs, is repulsed.
McClernand joins Sherman at Milliken's Bend (upriver from Vicksburg, on the west bank of the river) and takes command of the expedition.
McClernand takes his force up the Arkansas River to reduce Arkansas Post.
Battle of Arkansas Post results in Federal victory and some 5,000 prisoners.
McClernand's expedition returns to Milliken's Bend
Sherman's troops begin work on excavating the canal across DeSoto Point.
Grant takes command of all troops operating against Vicksburg.
The ram Queen of the West runs the Vicksburg batteries and embarks on a mission to disrupt Confederate river traffic on the Mississippi and Red Rivers.
Federal engineers blow a passage through the levee that separates the Mississippi from the Coldwater River, opening a possible route south towards Vicksburg.
Grant orders McPherson (XVII) to begin work on opening a passage through to the Red River via the Lake Providence route.
Transports carrying 4,500 Federal troops enter the Coldwater River via the breached levee.
Federal ironclad Indianola passes the Vicksburg batteries, with two barges in tow. Her mission is to join with the Queen of the West in disrupting Confederate commerce on that part of the Mississippi still under Rebel control.
The Queen of the West runs aground and is abandoned by her crew.
The Indianola is attacked by a Confederate squadron (including the captured and now repaired Queen of the West) and is forced to surrender.
The Mississippi River breaks through the canal but not enough to make a reasonable passage; in any event, Confederate batteries have been sighted to fire on the exit. Although work continues briefly, the project is abandoned within two weeks.
The Yazoo Pass expedition reaches Fort Pemberton on the lower Yalobusha River, some 90 miles from Vicksburg.
Porter's flotilla enters Steele's Bayou in another attempt to reach dry land north of Vicksburg.
After several attempts to bombard Fort Pemberton into submission, the Federals are forced to admit defeat and begin to withdraw.
The levee near Lake Providence is breached, creating a channel deep enough for boats of six foot draft, but this route is soon abandoned in favor other plans.
Confederates begin to close in on Porter's flotilla, felling trees ahead and behind the boats, hoping to capture them.
Federal troops under Sherman arrive where Porter is trapped, and enable the gunboats to retreat to the Mississippi.
Grant orders McPherson to concentrate his troops at Young's Point, effectively ending the Lake Providence expedition.
A reinforced Federal expedition returns to Fort Pemberton, but is almost immediately ordered to withdraw.
McClernand (XIII Corps) begins moving down the west side of the river, to New Carthage.
Porter's fleet runs the batteries.
Col. Benjamin Grierson sets out from LaGrange, Tennessee, with three Federal cavalry regiments, to raid Pemberton's supply and communication lines.
2nd Iowa, with 700 men, under Col. Hatch, detaches from Grierson to raid the Mobile
& Ohio RR and decoy Confederate forces away from Grierson.
Second set of transports runs past the batteries.
Grierson breaks railroad between Jackson and Meridian at Newton Station
Strieght leaves Tuscumbia with 1,500 headed east to cut the Western Atlantic RR
Dodge leaves Tuscumbia headed west.
Porter's fleet fails to reduce Grand Gulf.
Sherman (XV Corps) demonstrates north of Vicksburg.
McClernand (XIII Corps) and McPherson (XVII Corps) begin crossing the river at Bruinsburg.
Sherman continues his demonstration.
Sherman receives orders to join Grant.
Battle of Port Gibson; McClernand and McPherson defeat Bowen.
Grierson reaches safety at Baton Rouge.
Forrest captures Strieght 20 miles west of Rome, Georgia
McPherson feints north at Vicksburg from Hankinson's Ferry on the Big Black River.
XV Corps (Sherman) joins Grant.
Col. Hatch and the 2nd Iowa reach Corinth.
Johnston ordered to go from Tullahoma to Mississippi and take command in the field.
Pemberton heads toward Edwards Station
Battle of Raymond; McPherson defeats Gregg.
Joe Johnston arrives at Jackson to take command, wires Richmond, "I am too late."
Johnson sends 3 couriers, ordering Pemberton to meet him at Clinton.
Battle of Jackson; Sherman and McPherson defeat Johnston.
Battle of Champion Hill. Pemberton defeated, Loring's division separated from Pemberton's army.
Battle of Big Black River Bridge; Pemberton loses 1700 as prisoners.
Vicksburg invested; four Confederate divisions (Stevenson's, Bowen's, Forney's, and Smith's) are trapped inside the lines.
Kimball's Provisional Division arrives.
Grant's Satartia trip.
Battle of Milliken's Bend; Confederates under Richard Taylor attack Grant's base on the west bank of the Mississippi, are repulsed.
F.J. Herron's division arrives from Arkansas.
1/XVI (W.S. Smith) arrives.
Two divisions of IX Corps begin to arrive from Kentucky.
McClernand relieved. Replaced by Major General Edward Ord.
Sherman's expeditionary force formed.
Mine exploded under 3rd Louisiana Redan; active combat rages for 26 hours before Federals withdraw.
Anonymous soldiers warn Pemberton the garrison is close to mutiny over rations.
Another mine exploded under 3rd Louisiana Redan, but no follow-up attack is made.
Pemberton asks his division commanders for their views of the situation.
Capt. Comstock issues guidelines for proposed July 6 assault.
Flag of truce appears between the lines, and discussions begin between Grant and Pemberton as to the surrender of the city and its garrison.
Holmes attacks Helena, under Printiss, and is repulsed with help from the navy.
Pemberton surrenders Vicksburg and its garrison.