Knights na St. John, ko
Knights Hospitallers , sun kama Rhodes a farkon karni na 14 bayan asarar da aka yi a 1291 na Acre, sansanin 'yan
Salibiyya na karshe a Falasdinu.Daga Rhodes, sun zama wani ɓangare na kasuwanci a cikin tekun Aegean, kuma a wasu lokuta suna tursasa jiragen ruwa na Turkiyya a cikin Levant don tabbatar da iko a gabashin Bahar Rum.Kokarin farko da
Daular Usmaniyya ta yi na kwace tsibirin ya ci tura daga Odar a shekara ta 1480, amma ci gaba da kasancewar mayakan da ke kusa da kudancin gabar tekun Anatoliya ya kasance babban cikas ga fadada Ottoman.Girgizar kasa ta girgiza tsibirin a shekara ta 1481.Bayan kewaye da girgizar ƙasa, an ƙarfafa kagara sosai a kan manyan bindigogi bisa ga sabuwar makarantar gano italienne.A cikin wuraren da aka fi fallasa fuskar ƙasa, gyare-gyaren sun haɗa da kauri na babban bango, ninki biyu na faɗin busasshiyar ramin, tare da sauya tsohuwar ƙirƙira zuwa manyan filaye (tenailles), gina katanga a kusa da mafi yawan hasumiya. , da caponiers enfilating rami.An rage yawan ƙofofin, kuma an maye gurbin tsoffin fakitin yaƙi da waɗanda suka dace da faɗan bindigogi.
[4] Tawagar ma’aikata, ’yan kwadago, da bayi sun yi aikin ginin, inda aka dora wa bayi musulmi aiki mafi wahala.
[4]A cikin 1521, Philippe Villiers de L'Isle-Adam ya zama Babban Jagora na oda.Da yake tsammanin wani sabon hari na Ottoman akan Rhodes, ya ci gaba da ƙarfafa katangar birnin, kuma ya yi kira ga ma'aikatan Order's a wasu wurare a Turai da su zo tsaron tsibirin.Sauran kasashen Turai sun yi watsi da bukatarsa ta taimako, amma Sir John Rawson, Kafin Gidan Irish na Order, ya zo shi kadai.An kiyaye birnin da biyu kuma, a wasu wurare guda uku, zoben bangon dutse da manyan bassoshi da yawa.An ba da kariya a cikin sassan zuwa harsuna daban-daban.An toshe ƙofar tashar jiragen ruwa da wani babban sarkar ƙarfe, wanda a bayansa anga rundunar Oda.