Aztecs also ate chocolate. In their culture chocolate was reserved for warriors and nobility. A drink of cacao mixed with ground maize was believed to provide stamina and was used in sacred rituals. Chocolate was a drink for the elite.

Advances such as writing, epigraphy, and the calendar did not originate with the Maya; however, their civilization fully developed them. Maya influence can be detected from Honduras, Guatemala, El Salvador and to as far as central Mexico, more than 1000 km (625 miles) from the Maya area.

Tetzel was born in Pirna, Saxony, and studied theology and philosophy at the university of his native city. He entered the Dominican order in 1489, achieved some success as a preacher, and was in 1502 commissioned by the pope to preach the jubilee indulgence, which he did throughout his life. In 1509 he was made an inquisitor, and in 1517 Pope Leo X made him commissioner of indulgences for all Germany.

Leonardo di ser Piero da Vinci ( pronunciation (help·info), April 15, 1452 – May 2, 1519) was an Italian polymath, scientist, mathematician, engineer, inventor, anatomist, painter, sculptor, architect, botanist, musician and writer.

He is widely considered to be one of the greatest painters of all time and perhaps the most diversely talented person ever to have lived.[2] Helen Gardner says "The scope and depth of his interests were without precedent...His mind and personality seem to us superhuman, the man himself mysterious and remote".[1]