Portuguese colonization of the Americas on 22 April, Cabral landed on the coast, in Porto Seguro. Believing the land to be an island, he named it Ilha de Vera Cruz (Island of the True Cross). The previous expedition of Vasco da Gama to India already recorded several signs of land near its western open Atlantic Ocean route, in 1497. It has also been suggested that Duarte Pacheco Pereira may have discovered the coasts of Brazil in 1498, possible its northeast, but the exact area of the expedition and the explored regions remain unclear. On the other hand, some historians have suggested that the Portuguese may
Time in Portugal Cavaco Silva government, by Decree-Law 124/92, mainland Portugal officially changed its time zone from WET () to CET ().<ref name="Decree-Law 124/92"> Decree-Law 124/92, 2 July 1992 (in Portuguese). Retrieved 12 May 2013.</ref> Differently from the 1966 move to CET, this time DST was to be observed, as CEST (), from the last Sunday in March to the last Sunday in September. The measure, approved without the consultation of Lisbon Observatory, had the intention of promoting energy savings, in order that “Portugal follow, in work schedules, the countries with which it maintains more frequent contacts” (DL 124/92) and so promoting economic