160 Years Ago Today: Robert E. Lee Resigns from the U.S. Army

President Abraham Lincoln’s call on April 15, 1861 for 75,000 volunteers to “suppress the rebellion” in six Southern states inflamed passions in states like Virginia, which had, until that time, resisted calls to secede and join the nascent Confederacy. On April 17, the Virginia Secession Convention voted in favor of secession, subject to a popular…