During the night of May 22, Admiral David Porter’s Union gunboats opened on the city and its defenses. As dawn broke, a thundering artillery barrage from Grant’s batteries joined the bombardment, trying to soften the defenses and demoralize the defenders.

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Then, shortly before 10 a.m., the firing stopped. Confederate Brig. Gen. Stephen D. Lee remembered, ‘Suddenly, there seemed to spring almost from the bowels of the earth dense masses of Federal troops, in numerous columns of attack, and with loud cheers and huzzahs, they rushed forward at a run with bayonets fixed, not firing a shot, heading for every salient along the Confederate lines:’

Major General Frank Blair’s division led the assault for Sherman’s corps on the Union right. Sherman planned to avoid the abatis-strewn gullies and hollows that had slowed his advance on the nineteenth. Blair’s troops would advance along roads in column by regiment, rather than present a broad target by marching across the difficult ground in battle line. The column would be led by a 150-man volunteer’storming party,’ carrying the boards and poles needed to bridge the ditch of the earthen fort, Stockade Redan.

Brigadier General Hugh Ewing’s brigade, the 30th, 37th and 47th Ohio and the 4th West Virginia, followed the volunteers along a dirt path, appropriately named Graveyard Road. As the storming party emerged from a cut in the road, Mississippians and Missourians in the fort opened up. Some of the advance unit made it to the earthwork itself, but aside from planting Ewing’s headquarters flag they could do little more than burrow in and wait.

Nineteen members of the storming party Sherman later called his ‘forlorn hope’ died in the assault, and 34 were wounded. The Medal of Honor later was awarded to 78 of the 150.

The 30th Ohio, close behind, got the same greeting as the volunteers. The grisly scene of death and misery that greeted the 37th Ohio a few moments later caused many in that regiment to refuse to go any further; the ensuing traffic jam meant the last two regiments had to move overland. They never made it to the fort, ending up about 150 yards east of the redan, which they fired upon with little effect. The assault by the Union right was effectively turned back. The 30th and 37th Ohio, along with the volunteer storming party, were the only units of Sherman’s to see heavy action that morning. The rest of his XV Corps, eight brigades in all, waited.

McPherson’s XVII Corps was assigned to assault the main fortifications in the center of the Rebel line, the so-called Great Redoubt and a smaller earthwork fort known as the 3rd Louisiana Redan. As with Sherman’s troops on Graveyard Road, McPherson’s men on the Jackson road eventually came under intense fire and an attack on the 3rd Louisiana Redan was beaten back.

One brigade, under Brig. Gen. John D. Stevenson, traveled overland to mount an assault on the Great Redoubt. The 81st Illinois and 7th Union Missouri regiments of his brigade, the latter largely Irish in background, took terrible losses from the Louisianans’ volleys and cannon fire, but managed to place some men in the ditch before the redoubt. The men of the 7th planted their emerald green flag on its exterior slope. However, their scaling ladders were too short and they could go no farther. They were pulled back almost immediately.

In a mere half-hour, Stevenson lost 272 officers and men. Except for one more abortive attack elsewhere on the line, this was the extent of XVII Corps action on the morning of the twenty-second.

Perhaps the hardest fighting of the morning was done along the Union left by the men of politician-soldier John McClernand’s XIII Corps. A Democratic congressman before the war who had supported Lincoln’s war effort, McClernand was not one of Grant’s favorites. He was vain and self-promoting and, though not the worst of the political generals, was at best merely competent. He also had an odd sense of timing. At one point during the fighting in Mississippi that month, he had jumped up on a stump and given his troops a political harangue, while bullets were flying.

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