Pedzisa mutsara unotevera: Kurwisana pakati pePisa neRepublic of Genoa kwakanyanya muzana remakore rechi13 uye kwakaguma ne
Hondo yeMeloria (1284), yakarwiwa pamberi chaipo pechiteshi chePisan, iyo yakaratidza kutanga kwekuderera kwesimba reguta, nekurega chero chikumbiro paCorsica uye nekutengeswa kwechikamu cheSardinia kuGenoa muna 1299.