Now we are engaged in a great Civil War , testing whether that nation , or any nation so conceived and so dedicated , can long endure . Tuesday we mark the 150th anniversary of President Lincoln 's Gettysburg Address . Ken Burns : The words spoken at a Civil War cemetery are some of the most important ever . Burns is launching `` Learn the Address , '' a way to more fully understand democracy . It will be available on PBS and online in September.
Tuesday we mark the 150th anniversary of President Lincoln 's Gettysburg Address . Ken Burns : The words spoken at a Civil War cemetery are some of the most important ever . Burns is launching `` Learn the Address , '' a way to more fully understand democracy . It will be available on PBS and online in September.