States and Territories established in the year 1256.
| ← 1251 • 1252 • 1253 • 1254 • 1255 • 1256 • 1257 • 1258 • 1259 • 1260 • 1261 → |
States and Territories established in the year 1256.
| ← 1251 • 1252 • 1253 • 1254 • 1255 • 1256 • 1257 • 1258 • 1259 • 1260 • 1261 → |