The coronation of the Serbian Tsar Stefan Dušan as East Roman Emperor

Completed in 1926 near the end of the Slav Epic project, this canvas commemorates the coronation of the Serbian tsar Stefan Dušan in 1346 as ruler of a state that briefly rivalled Byzantium. For Mucha the episode embodied the capacity of Slavic civilisation to produce sovereign empires of cultural ambition — a counterweight to the narrative of Slavic subjugation under Ottoman or Habsburg rule. Stefan Dušan codified Serbian law, built monasteries, and extended his realm from the Adriatic to the Aegean, and Mucha cast his coronation as a moment of spiritual and political culmination. The painting reflects Mucha's deepening engagement with Eastern Orthodox visual culture: Byzantine gold, iconographic frontality, and the hierarchical arrangement of ecclesiastical and military figures all echo the mosaic tradition Mucha had studied during his research travels.

Byzantine compositional principles — flat gold grounds, hierarchical scale, and formal frontality — are translated into oil on canvas, creating a deliberate tension between icon-like rigidity and the atmospheric depth of western history painting. Mucha applied gold pigment and warm amber glazes to evoke mosaic luminosity. Figures are more stylised than in his earlier Epic canvases, reflecting his conscious homage to medieval Slavic art.