Duchy of Florence ended in 1569.
Duchy of Florence was created in 1532.
In Florence, Grand Duchy of Tuscany (currently Florence, Italy).
Duchy of Bytom ended in 1498.
Duchy of Burgundy ended in 1477.
Duchy of Carinthia ended in 1919.
Duchy of Carniola ended in 1918.
Duchy of Friuli ended in 828.
Duchy of Warsaw ended in 1813.
Duchy of Brzeg ended in 1675.
Duchy of Belz ended in 1462.
Duchy of Teschen ended in 1918.
Duchy of Lithuania ended in 1413.