The Execution of the Amorite Kings
5th century, with medieval and modern restorations
Nave, Basilica of Santa Maria Maggiore, Rome
Five kings attacked Gibeon in retaliation for that city's making peace with Joshua. But Joshua defeated their forces, captured them, and ordered them executed. See Joshua 10:15-27. In the upper register of the mosaic, Joshua is ordering the execution. In the lower register, the order is carried out.
This is part of the extensive series of Old Testament scenes along the two walls of the nave. To view the others, follow this link.
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Photographed at the site by Richard Stracke, shared under Attribution-NonCommercial-ShareAlike license.