Montefeltro then Della Rovere papal fief elevated to duchy in 1443; a premier Renaissance state famous for Federico da Montefeltro's court and library.
Devolved to the Papal States in 1631 upon the death of the last Della Rovere duke Francesco Maria II, who had signed an act of devolution as early as 1625 due to the lack of a male heir; Pope Urban VIII then decreed its incorporation into the Papal States.
The atlas holds 3 border frames for Duchy of Urbino — the shape you scrub through changes in 1443 · 1533 · 1569.
Full biography of Federico da Montefeltro covering the duchy's cultural and political golden age; Head of Zeus. Confirmed via Goodreads, Amazon, Waterstones, and Harvard I Tatti library acquisitions.
Regional context for Urbino among Renaissance signorie.