You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
History_of_India

Context:
The Mature Indus civilisation flourished from about 2600 to 1900 BCE, marking the beginning of urban civilisation on the subcontinent. The civilisation included urban centres such as Dholavira, Kalibangan, Ropar, Rakhigarhi, and Lothal in modern-day India, as well as Harappa, Ganeriwala, and Mohenjo-daro in modern-day Pakistan. The civilisation is noted for its cities built of brick, roadside drainage system, and multistoreyed houses and is thought to have had some kind of municipal organization.

Question:
When did the Mature Indus Civilization thrive? 

2600 to 1900 BCE