History of Western civilization Genovese born mariner, Christopher Columbus set out under the auspices of the Crown of Castile (Spain) to seek an oversea route to the East Indies via the Atlantic Ocean. Rather than Asia, Columbus landed in the Bahamas, in the Caribbean. Spanish colonization followed and Europe established Western Civilization in the Americas. The Portuguese explorer Vasco da Gama led the first sailing expedition directly from Europe to India in 1497-1499, by the Atlantic and Indian oceans, opening up the possibility of trade with the East other than via perilous overland routes like the Silk Road. Ferdinand Magellan, a Portuguese explorer working
Portuguese nationality law to prove that they were descended from Portuguese Jews expelled in 1497, have emigrated to Portugal and acquired citizenship. Nearly 1,800 descendants of Sephardic Jews acquired Portuguese nationality in 2017. By February 2018, 12,000 applications were in process, and 1,800 applicants had been granted Portuguese citizenship in 2017. Portugal allows dual citizenship. Hence, Portuguese citizens holding or acquiring a foreign citizenship do not lose Portuguese citizenship. Similarly, those becoming Portuguese citizens do not have to renounce their foreign citizenship. Although Portugal allows dual citizenship, some countries, such as Japan, do not. Thus, dual Portuguese–Japanese citizens, under Japanese nationality law, must