From Wikipedia: The Gettysburg Address is a speech by U.S. President Abraham Lincoln and is one of the best-known speeches in United States history. It was delivered by Lincoln during the American Civil War, on the afternoon of Thursday, November 19, 1863, at the dedication of the Soldiers’ National Cemetery in Gettysburg, Pennsylvania, four and a half months after the Union armies defeated those of the Confederacy at the decisive Battle of Gettysburg.
Audio Book: The Gettysburg Address (2 minutes)
Written by Abraham Lincoln. Download the text from Project Gutenberg.