<p>A largely accidental battle, pitting Robert E. Lee against George B. McClellan, became the single deadliest day in America's history and changed the course of the Civil War.</p>
<p>With his command threatened by allegations of drunkenness, Ulysses S. Grant went on the attack, won two major victories, demanded “Unconditional Surrender,” and nearly split the Confederacy in half.</p>
<p>John Nicolay and John Hay were Lincoln’s two closest aides in the White House, and they helped to craft the image of the president that we have today.</p>
<p>Working closely with President Lincoln, Secretary of War Stanton was tireless in his dedication to help win the Civil War. But his abruptness could sometimes be counterproductive.</p>
<p style="margin:0in 0in 0.0001pt">The first significant Union victory in the Civil War is now honored at one of the newest National Monuments. It was a battle too often ignored by historians and the public.</p>
<p>Tears ran down the cheeks of Abraham Lincoln when he heard the “Battle Hymn of the Republic” sung in Congress in 1864 by a chaplain who had survived a Confederate prison. It would become the most famous literary production of the Civil War.</p>
<p>With five major exploring expeditions west of the Mississippi, John C. Frémont redefined the country — with the help of his wife’s promotional skills.</p>
<p>Histories written about the nation's greatest crisis focus on Lincoln and the military campaigns. But an intriguing group of characters in Congress also played a major role, advising and prodding the president.</p>
<p>As General Granger read the announcement in the summer of 1865 that slavery had ended, the celebration began. The date would go down in history — June 19th, soon shortened to Juneteenth.</p>
<p>Our research reveals that 19 artworks in the U.S. Capitol honor men who were Confederate officers or officials. What many of them said, and did, is truly despicable.</p>
<p>The Army has named ten military bases in honor of men who killed 365,000 U.S. soldiers. Should they be renamed? Or left as they are, since the bases are part of a “great American heritage," as Mr. Trump says?</p>
<p>Fighting to defeat the Confederacy, the first African American regiments also helped win for themselves the full rights and privileges of U.S. citizens. </p>
<p>The brutal murder of hundreds of African-American soldiers at Fort Pillow had a profound effect on Northern sentiment during and after the Civil War.</p>
<p>In September 1862, the South hoped to end the war by invading Maryland just before the mid-term elections. But its hopes were dashed after the bloodiest day in American history.</p>
<p>The horrors of the Civil War led to madness and suicide among many soldiers and veterans, but comparisons to modern diagnoses of PTSD are difficult.</p>