The first version of "Appomattox," which had its premiere at San Francisco Opera in 2007, focused on the closing days of the Civil War but, in Act II, brought up the murders of civil-rights workers in 1965.
Smith, Tim (2016) In Review: Washington, D.C.. In: Opera News, Vol. 80, No. 8, pp. 46-47. Available at https://openmusiclibrary.org/article/672745/.