Question: What year were trade unions legalized in Tony Blair's country?
Sentence (from "Trade unions in the United Kingdom"): Legalised in 1871, the trade union movement sought to reform socio-economic conditions for working men in British industries, and the trade unions' search for this led to the creation of a Labour Representation Committee which effectively formed the basis for today's Labour Party, which still has extensive links with the Trade Union Movement in Britain.
Relevant evidence: Yes