How did Inca tribe keep records of events?

The Inca civilization kept records of events primarily through a system called quipu, which consisted of colored, knotted strings. Each knot and its position conveyed specific information, such as numerical data or events related to taxation, population, and agriculture. While quipus were used for accounting, oral tradition also played a crucial role in preserving history and significant events within the society. This combination allowed the Incas to maintain an organized record-keeping system despite the absence of a written language.