Portuguese discovery of the sea route to India It is often regarded as the most important work of Portuguese literature. The work celebrates the discovery of a sea route to India by the Portuguese explorer Vasco da Gama. King Manuel did not share that opinion. Keeping the D. João II plan, he went ahead to equip the ships and chose Vasco da Gama as the leader of this expedition and the captain of the armada. According to the original plan, John II had appointed his father, Stephen da Gama, to head the armada; but by the time of implementing the plan, both were deceased. Portuguese were after spices,
Time in Portugal 1861, the Astronomical Observatory of Lisbon was founded and, in 1878, it was tasked with the exclusive competence of calculate its mean solar time and to transmit it to rest of the country’s public services. Thus, in practice, Portuguese standard time was defined as the mean solar time at Lisbon Observatory longitude, which was later calculated as being GMT–00:36:44. In 1911, it was agreed that standard time in Portugal should be defined in accordance with the 1884 prime meridian system. By the Decree of 26 May 1911, a reform was approved regarding standard time in Portugal and in its overseas