Important events in the history of the Reserve Bank of India (RBI) include: The RBI was established in 1935 with its headquarters in Calcutta, with a mandate to regulate the monetary system of India and the issuing of banknotes. Over the decades, the RBI underwent nationalization and took on expanded roles like regulating the banking sector through acts like the Banking Regulation Act of 1949. Major milestones include the nationalization of major private banks in 1969 and 1980 to promote financial inclusion across India. The RBI has played a key role in the development of India's financial system and payment infrastructure over the past decades.