Bloody hell, profound ignorance?!
Modern would imply the last 30–40 years. And the term is used because the wealth of footage that exists regarding these stories. This applies to the women’s liberation movement of the 70s.
As regards the suffragettes and chartists, that took place well over a hundred years ago.
We don’t have interviews of Millicent Fawcett, Mary Wollstonecraft, Thomas Cooper, Robert Owen, Sidney and Beatrice Webb explaining the reasons behind their actions of a hundred years ago.