In this paper. we present an experiment for complexity-level analysis of Portuguese texts from the 18th century using NLP tools. The 18th century was the time for the realization of a new world that had been built since the Renaissance. it was the period of consolidation of many of the current sciences. https://www.ealisboa.com/great-deal-Pentair-Union-Collar-2-U11-200PS-super-offer/