Well the war in Iraq really has nothing to di with the American Civil War.
The war in Iraq is called this because the war is within Iraq, its not with any other country. Iraq is having civil wars. Iraq can not stabilize their government or economy.
Iraq War in Anbar Province happened on 2003-03-20.
These countries could include Syria, Libya, Iraq, Mali, Korea. This depends on your exact definition of civil war, including the scope and number of participants.
Civil war in Tajikistan happened in 1993.
Piedmontese Civil War happened in 1639.
Castilian Civil War happened in 1368.
Djiboutian Civil War happened in 1991.
Salvadoran Civil War happened in 1980.
Georgian Civil War happened in 1992.
Somali Civil War happened in 1996.
Laotian Civil War happened in 1953.