It's not just about equal pay for the same job. That ignores the inferior education many women got.
I took O Levels, but some subjects were just not available to me. That means that when I did start work it was at a lower grade than a male who started at the same time.
That gap could last for life.
Working part time or staying home with children was not an easy choice, some have said how hard it was to return to work with a baby, what they have not said us that many employers had a policy of not employing mothers.
Yes technically that was illegal, but it still went on.