Find out why this date is so important to Women's Campaigners around the world Since 1999, the 25th November has been formally recognised by the UN as I nternational Day for the Elimination of Violence Against Women. As you will read, this date has become important for many reasons, but it was selected to represent this important cause to commemorate the deaths of the Mirabal sisters - three political activists from the Dominican Republic who were brutally murdered in 1960 b