 Complete the following phrase:  The peak was first discovered in 1954 by the Basset Maguires expedition to the north side of the mountain massif. It was later climbed during the first attempt to climb Pico da Neblina, by a Brazilian army expedition. It received its name meaning March 31 Peak in Portuguese as a self-homage by the military regime instated in Brazil a few months earlier on that date, in a coup détat which was then officially called the 