 Ramba uchinyora ndima iyi - John I wePortugal akabatana muna 1390 uye akatonga murugare, achitevera kukura kwezvemari kweumambo hwake. Chiito chokurwisana chinokosha bedzi chakanga chiri kukomba nokukunda guta reCeutamuna 1415. Nokuita izvi aida kudzora kufamba nengarava pamhenderekedzo yeAfrica. Asi mumurangariro wakafara, iri rakanga riri danho rokutanga rokuzarura nyika yeArabhu kuEurope yomuzana remakore repakati, iro chaizvoizvo rakatungamirira kuNguva yeKutsvakurudza nevanzveri vePortugal vachifamba nomugungwa munyika yose. 