In what year was a law passed in Britain prohibiting night work for all children under eighteen years of age?

The year in which a law was passed that since prohibits children under the age of 18 to work in industrial conditions was the year 1833.

With the advent of the industrial revolution this also lead to a massive increase in the knowledge about he fact that people under a certain age shouldn't be working in horrible conditions because this can have devastating effects on their lives.