(1827–96) Union army officer, born in Holmesburg, Pennsylvania. Gibbon gained fame at Gettysburg (1863) when his division repulsed Gen. George E. Pickett's charge and then successfully defended Cemetery Hill. As a commander he was known as a firm disciplinarian (his unit was called the “Iron Brigade”).
From The Oxford Essential Dictionary of the U.S. Military in Oxford Reference.
Subjects: Warfare and Defence.