You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "when did the name bombay changed to mumbai?" whose answer is 1995.
Each document should contain about 30 words, and these documents should contain useful information.

Query: when did the name Bombay change to Mumbai
Useful Output:

Doc 1: Twenty years after Bombay was officially renamed Mumbai, Hindu nationalist politicians are stepping up efforts to rid the city of the remnants of its British
Doc 2: Bombay was the name given by Britishers which later changed by Indian Government to Mumbai (it was called so after an Indian deity Mumba Devi, I guess).
Doc 3: The name of India's financial capital Bombay, was changed to Mumbai in 1996. That same year, Madras was renamed Chennai. Over the years
Doc 4: After the English gained possession of the city in the 17th century, the Portuguese name was anglicised as Bombay.  name change to Mumbai. Older
Doc 5: Bombay is now officially called Mumbai, a name change that took place in 1995. Similarly, Calcutta was renamed Kolkata in 2001.