[2] Kaïd Ahmed moved to Algiers in 1954 to make contact with various members of the national movement and with the leaders of CRUA and the OS.

[3] During the war of national liberation, Si Slimane participate actively in structuring the FLN organization and the supply of weapons of the ALN.

In 1962, he became Deputy Minister of Tourism and Government of the first People's Democratic Republic of Algeria; He left in 1964 after a 'blurring' with President Ben Bella.

In 1969, he was appointed Head of the FLN party until 1974, when he disagreed with President Boumédiène regarding the implementation of the Agrarian Revolution and the injustice it would create.

[5] He left Algeria for security reasons and moved to France and later to Morocco where he died at March 5, 1978 in Rabat from a heart attack, he was repatriated and buried in Tiaret