In the 17th century, to guarantee the possession of the region, disputed with Spanish and Dutch pirates, the Portuguese built a fort at the point where the dark waters of the Rio Negro meet the clear waters of the Rio Solimões, forming the Amazon River. Around the fort, the city of Manaus was born. Alli lived the Manaús Indians, warriors who worshiped Manari, the Good, and from him they received the order to fight all the invaders of the forest.