Kubva pakupera kweMiddle Ages, muzana remakore rechi15 nerechi16, Portugal yakava simba renyika yose munguva ye"Nguva Yokutsvakurudza" yeEurope sezvo yakavaka umambo hwakakura, kusanganisira nyika dzaiva muSouth America, Africa, Asia, uye Oceania. Kwemazana emakore maviri akatevera, Portugal yakachengeta mazhinji emakoloni ayo, asi zvishoma nezvishoma yakarasikirwa nepfuma yayo yakawanda uye chinzvimbo sezvo vaDutch, vaChirungu, uye vaFrance vakatora mugove unowedzera wezvinonhuwira uye kutengeserana kwevaranda nekukomberedza kana kukunda nzvimbo dzekutengesa dzechiPutukezi dzakapararira zvikuru nenharaunda. Zviratidzo zvokuderera kwemauto zvakatanga nehondo mbiri dzinoparadza: Hondo yeAlcácer Quibir
muMorocco muna 1578 uye kuedza kwakakundikana kweSpain kukunda England muna 1588 kupfurikidza neSpanish Armada <unk> Portugal panguva iyoyo yakanga iri musangano risingafadzi reumambo neSpain uye yakapa ngarava kumhenderekedzo yokupinda kweSpain. Nyika yacho yakashatiswazve nokuparadzwa kwechikamu chikuru cheguta rayo guru mukudengenyeka kwenyika muna 1755, kubatwa mukati meHondo dzaNapoleon uye kurasikirwa nekoloni yayo huru, Brazil, muna 1822. Kubva pakati pezana ramakore rechi19 kusvika kunopera kwema1950, anenge mapoka maviri evarume nevakadzi vakabvuma kupinda muchiuto.