Civil War & Emancipation Proclamation
The significance of the Civil War to America cannot be measured, ending slavery at the cost of being the deadliest war in American history. To mark the upcoming sesquicentennial anniversaries of the Civil War (2011) and the signing of the Emancipation Proclamation (2013), below is a list of operas inspired by these events and an era defined by them.
Opera

Little Women
Opera

Margaret Garner
Grand Opera

Amistad
Opera

Appomattox
Opera
The Subject of Peace
Opera

The Difficulty of Crossing a Field
Chamber Opera

John Brown
Grand Opera

An Occurrence at Owl Creek Bridge
Opera
Harriet, The Woman Called Moses
Opera
The Mocking-Bird
Chamber Opera
The Story of Harriet Tubman
Opera

The Mother of Us All
Opera