Forgive me if this skates too close to the "throughout history" sort of question -- I guess I will narrow it down to 17th-19th c. Europe, if that helps.
Did women ever duel? If so, with what weapons? And over what subjects?
Not discouraging any new answers coming in, but you better believe that /u/Georgy_K_Zhukov wrote about this topic already. Hope it helps!