Republican presidential candidate and TV personality Donald Trump arrives by escalator to the tune of "Rockin' in the Free World." Musician Neil Young did not approve of his song choice. Brendan McDermid /Reuters/Landov hide caption

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The Lincoln Monument at Oak Ridge Cemetery in Springfield, Ill., houses the tomb of the late president and was erected to preserve his legacy. Rachel Otwell/WUIS hide caption

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An engraving of the assassination of President Abraham Lincoln at Ford's Theatre in Washington on April 14, 1865. Lincoln died the next day. De Agostini Picture Library/De Agostini/Getty Images hide caption

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John Wilkes Booth was the son of prominent, wealthy actors. He, too, became an actor and was so popular, he was one of the first to have his clothes ripped off by fans. Hulton Archive/Getty hide caption

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Abraham Lincoln, the 16th president, used to cook alongside his wife. Brady/Getty Images hide caption

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President Abraham Lincoln's Gettysburg Address as inscribed on the stone at the Lincoln Memorial. Pat Benic/UPI/Landov hide caption

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An undated photo provided by The Patriot-News showing a bit of the 1863 editorial in which President Lincoln's Gettysburg Address was dismissed. The newspaper (then known as The Patriot & Union) referred to Lincoln's words as "silly remarks." AP hide caption

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A U.S soldier of 82nd Airborne patrols near a forward base in the Ghorak district of Kandahar southern Afghanistan. Rafiq Maqbool/AP hide caption

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The altered "5." U.S. National Archives and Records Administration hide caption

itoggle caption U.S. National Archives and Records Administration