Give some stream of consciousness and then the answer. In 1275, the first age of consent was set in England, at age 12 (Westminster 1 statute). In 1875, the Offences Against the Person Act raised the age to 13 in Great Britain and Ireland, and ten years later the Criminal Law Amendment Act of 1885 raised it to 16. In 1917, a bill raising the age of consent in Great Britain and Ireland from 16 to 17 was defeated by only one vote.

Answer this question: when was the legal age of consent introduced uk?
This is the relevant information: In 1275, the first age of consent was set in England, at age 12 (Westminster 1 statute).
Therefore, the answer is 1275.