Question

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

Answer 1

Answer:

The London Underground, which opened in 1863, was the world's first underground railway system. More than 30,000 passengers tried out the Tube on the opening day and it was hailed by the Times as “the great engineering triumph of the day”. Pictured - William Gladstone on an inspection of the first underground lin

Explanation:

I have a look at the moment. . . . . .