On Abraham Lincoln's birthday, Christie's auction house in New York announced that a handwritten, autographed manuscript of the president's 1864 victory speech sold for $3.44 million -- the highest ever paid for any American historical document.

On the eve of Abraham Lincoln's birthday, Henry Louis Gates, Jr. appeared on NBC's "The Today Show" to talk about LOOKING FOR LINCOLN, Lincoln's role in the end of slavery, and the president's continuing impact on America.

Where can you find Lincoln near you? Submit a photo, including a description of what it shows and how it relates to Lincoln. The contest is now closed: stay tuned to see the winners!

Listen now to LOOKING FOR LINCOLN presenter and writer Dr. Henry Louis Gates, Jr. on "The Tom Joyner Morning Show".

LOOKING FOR LINCOLN presenter and writer Henry Louis Gates, Jr. appeared on Comedy Central's "The Colbert Report" to talk about the documentary and his new book, Lincoln on Race & Slavery.

Historian Henry Louis Gates Jr.'s quest to piece together Abraham Lincoln’s complex life takes him from Illinois to Gettysburg to Washington, D.C., and face-to-face with people who live with Lincoln every day – relic hunters, re-enactors, and others for whom the study of Lincoln is a passion.

LOOKING FOR LINCOLN, presented and written by Harvard professor Henry Louis Gates, Jr., addresses many of the controversies surrounding Abraham Lincoln – race, equality, religion, politics, and depression – by carefully interpreting evidence from those who knew him and those who study him today.

Henry Louis Gates, Jr., the presenter and writer of LOOKING FOR LINCOLN, spoke with THIRTEEN about Abraham Lincoln's impressive legacy. Read the interview now.

Take this interactive challenge to place events and images from the life of Lincoln in chronological order.

Think you know your Lincoln? Test your knowledge about Lincoln myths and misconceptions in our quiz.