The Mujahid Day in Algeria is the celebration on the August 20th of each year of the 1956 Conference of Soummam and the attack on the northern Constantine 1955.
The conference of Soummam was a meeting of the leaders of the Algerian National Liberation Fron (FLN) and the founding act of the modern Algerian State. In this congress the leaders of the Algerian revolution adopted a strategy that was a crucial element of success of the Algerian war for independence.