Dee ihe na-aga n'ihu maka paragraf a - Mgbe ọ gụchara nsụgharị nke Seneca "De Beneficiis" na 1418, ọ malitere njem sara mbara na Europe, nke ga-eme ka ọ pụọ na Portugal ruo afọ iri na-abịanụ. Mgbe o zutere John nke Abụọ nke Castile na Valladolid, ọ gara Hungary, ebe ọ zutere Emperor Sigismund nke Holy Roman, wee banye ọrụ ya. Ọ lụrụ ndị agha Alaeze Ukwu ahụ ọgụ megide ndị Turkey nakwa n'Agha Ndị Hussite
na Bohemia ma nye ya njem Treviso na Northern Italy na 1422. Na 1424 ọ hapụrụ Alaeze Ukwu Rom Dị Nsọ, buru ụzọ zute Murad nke Abụọ, Sultan nke Alaeze Ukwu Ottoman, n'àgwàetiti Patmọs, wee gaa n'ihu Constantinople, isi obodo nke Alaeze Ukwu Byzantine; ọnọdụ enweghị olileanya nke obodo ahụ megide mwakpo Ottoman emeghị ka ọ ghara inwe mmasị n'ebe ọ nọ. O si Constantinople gaa Ala Nsọ site na Alexandria na Cairo.