Concordia (mythology)
In ancient Roman religion, Concordia is the goddess of agreement, understanding, and marital harmony. Her Greek equivalent is Harmonia.
The cult of Concordia Augusta ("Majestic Harmony") was of special importance to the imperial household. Dedicatory inscriptions to her, on behalf of emperors and members of the imperial family, were common.
Read more about Concordia (mythology): In Art, Temples, Modern Religion