Abraham Lincoln presenter Lance Mack dons his stovepipe hat during the Blackhawk County Republican annual Lincoln Day Dinner following the Iowa Straw Poll at the Electric Park Ballroom Aug. 14, 2011 in Waterloo, Iowa.
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Engraved portrait of President Abraham Lincoln and his son Thomas, as Lincoln reads from a large book, circa 1850.
Time & Life Pictures
Attorney G. William Horsley (L Fore) as Abraham Lincoln in re-enactment of Lincoln-Douglas debates w. S. Phil Hutchinson (R) impersonating Stephan A. Douglas on Aug, 1, 1958.
Daniel Day-Lewis as President Abraham Lincoln in Steven Spielberg's "Lincoln."
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President Abraham Lincoln, circa 1855.
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Portrait of Abraham Lincoln taken on the day of his inauguration in 1861
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Abraham Lincoln (1809-1865) posed for a formal portrait, mid-19th century.
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President Abraham Lincoln.
Lincoln Motor Company
I'm Abraham Lincoln, and I'm here to sell you a new car.
Engraved from a photograph by William G. Jackman
US Army Signal Corps / Time Life Pictures / Getty
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Last photograph of Abraham Lincoln, (1809-1865), taken April 1865.
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The statue of Abraham Lincoln, 16th President of the United States, enshrined in the Lincoln Memorial
J. Scott Applewhite / AP
A U.S. Park Police officer stands guard next to the statue of Abraham Lincoln at the memorial in Washington, Friday, July 26, 2013, after the memorial was closed to visitors after someone splattered green paint on the statue and the floor area
J. Scott Applewhite / AP
A U.S. Park Police officer stands guard next to the statue of Abraham Lincoln at the memorial in Washington, Friday, July 26, 2013.
Abraham Presidential Library and Museum
Visitors take a guided tou of Abraham Lincoln's house in Springfield, Illinois.r
Alfred Eisenstadt / Time & Life Pictures / Getty
Scaffolding around the head of Abraham Lincoln only partially sculptured during Mt. Rushmore Monument construction.
ALEXANDER GARDNER / LIBRARY OF CONGRESS
Allan Pinkerton, President Abraham Lincoln, and Major General John A. McClernand standing outside a tent on October 3, 1862.
Win McNamee / Getty Images
Children participate in a naturalization ceremony in the Emancipation Room at President Abraham Lincoln's Cottage in Washington, D.C., on April 30, 2013.
Kevin Lamarque / Reuters
President Barack Obama bows his head in prayer during the dedication of Abraham Lincoln Hall at the National Defense University at Fort McNair, Washington.