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Decided to remain with the Union even though his father was a slaveholder and three of his brothers served in the confederate military
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Fought the Confederate Stonewall Brigade with his Black Hat Brigade. They were called the Black Hat Brigade because they wore black hats.
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Forced to take time away from commanding his artillery brigade to personally manning an artillery
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Was wounded at the battle. The wound kept getting infected so John Gibbon was out for a couple of months
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Commanded the 2nd division and defended againest Pickett's Charge but was wounded in the process.
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Led his troops to capture fort Gregg, which was a key victory at the Siege of Petersburg
