The Battle of Gettysburg
It is 150 years since a crucial battle in the American Civil War, which also inspired one of the most famous speeches in US history, the Gettysburg Address. Listen to diaries, and journals from the time.
(Image: Re-enactors portraying Union soldiers in the Murray's Brigade drill commemorating the 150th anniversary of the Battle of Gettysburg. Credit: Matt Rourke/AP)