### Instruction: Extract when were the universities of Palencia and Salamanca established
### Input: The 13th century also witnessed the Crown of Aragon, centred in Spain's north east, expand its reach across islands in the Mediterranean, to Sicily and Naples. Around this time the universities of Palencia (1212/1263) and Salamanca (1218/1254) were established. The Black Death of 1348 and 1349 devastated Spain.
### Response: The University of Palencia was established between 1212 and 1263 and the University of Salamanca was established between 1218 and 1254.