The significant American figure who delivered the Gettysburg Address is Abraham Lincoln. This speech, delivered on November 19, 1863, during the Civil War, emphasized the principles of equality and the importance of national unity. Lincoln honored those who fought at the Battle of Gettysburg and articulated the vision of a country dedicated to the ideals of liberty and democracy. The address is regarded as a pivotal moment in American history, encapsulating the nation’s commitment to the ideals of freedom and the enduring struggle for civil rights.