Here is an app version of a powerful tool that allows you and your students to have one place where you can capture, organize, and share items in multiple media formats.  The different uses for this app are as varied as your ideas...

On July 1, 1863 the Army of Northern Virginia, under the command of General Robert E. Lee met the Army of the Potomac, under the leadership of Major General George Meade. Considered the turning point of the war, the Battle of Gettysburg...