Members of the National Women's Liberation Movement, on an equal rights march from Speaker's Corner to No.10 Downing Street, to mark International Women's Day, London, 6th March 1971. One woman is carrying a placard reading 'Equal Pay Now'. On the right, a woman is holding a copy of the Trotskyist publication 'Red Mole'. (Photo by Daily Express/Hulton Archive/Getty Images)

Members of the National Women’s Liberation Movement, on an equal rights march from Speaker’s Corner to No.10 Downing Street, to mark International Women’s Day, London, 6th March 1971. One woman is carrying a placard reading ‘Equal Pay Now’. On the right, a woman is holding a copy of the Trotskyist publication ‘Red Mole’. (Photo by Daily Express/Hulton Archive/Getty Images)