Abraham Lincoln is generally regarded as one the greatest presidents of the U.S. His most famous speech was delivered in Gettysburg, Pennsylvania, during the Civil War. This speech began with

> Fourscore and seven years ago our fathers brought forth on this continent, a new notation, concived in Liberty, and dedicated to the proposition that all men are created equal.

> Now we are engged in a great Civil War, testing whetther that nation or any nation so conceived and so dedicated, can long endure.

Whatever one's opinion of Lincoln, no one can deny the enormous and lasting effect he had on the U.S.