• 1250s establishments by country (12 C)
• 1250s establishments by continent (2 C)

0–9

• 1250 establishments (4 C, 2 P)
• 1251 establishments (3 C)
• 1252 establishments (3 C, 1 P)
• 1253 establishments (4 C)
• 1254 establishments (6 C)
• 1255 establishments (5 C)
• 1256 establishments (5 C)
• 1257 establishments (3 C, 1 P)
• 1258 establishments (5 C)
• 1259 establishments (5 C)

B

• Buildings and structures completed in the 1250s (11 C)

N

• Noble titles created in the 1250s (2 C)

O

• Organizations established in the 1250s (1 C, 2 P)

P

• Populated places established in the 1250s (9 P)

S

• States and territories established in the 1250s (7 C)