historiaestmagistravitae:Map of Constantinople, designed in 1422 by Florentine cartographer Cri
historiaestmagistravitae:Map of Constantinople, designed in 1422 by Florentine cartographer Cristoforo Buondelmonti is the oldest surviving map of the city, and the only surviving map which predates the Turkish conquest of Constantinople in 1453. -- source link
#medieval history