This association between having a cathedral and being called a city was established in the early NUMBER@1 when King PERSON@1 founded dioceses -LRB- and therefore cathedrals -RRB- in six MISC@1 towns and also granted them all city status by issuing letters patent .

This is because PERSON@1 built cathedrals in six MISC@1 towns and also granted made them cities by letters patent .
