Zawiyet Sidi Boumerdassi or Zawiyet Ouled Boumerdès is a zawiya located within Boumerdès Province in Algeria.

The Battle of the Col des Beni Aïcha or Battle of Thenia, which broke out on 19 April 1871, was a battle of the Mokrani Revolt between the Algerian rebels, and the France, which was the colonial power