[1] On 21 November 1970 a group of Portuguese troops assisted by Guinean fighters invaded Conakry from the sea in an attempt to overthrow the Touré regime.

The camp commandant Siaka Touré managed to hide, but General Lansana Diané, minister of Defense, was captured.

The coup attempt failed, and in the aftermath many opponents of the regime were rounded up and imprisoned in Camp Boiro.

[2] Construction of the monument began before 22 November 1971 in memory of the victims of the coup attempt.

The Chinese chargé d'affaires Tsao Kouan-lin made a speech praising the militant friendship between the people of Guinea and of China.