Question

answer in one word
first underground railway line started in which year 1984 answer​

Answer 1

Answer:

1863

Explanation:

The world's first underground railway, it opened in January 1863 between Paddington and Farringdon using gas-lit wooden carriages hauled by steam locomotives. It was hailed as a success, carrying 38,000 passengers on the opening day, and borrowing trains from other railways to supplement the service.

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Answer 2

Kolkata metro in West Bengal.

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