The monument was built near the place where an earlier cross dedicated to the unknown soldier was built. The monument was built from 1 April 1922 to 1 June 1922. The base was a two-leveled square pedestal with a regular, four-sided pyramid made of the roughly dressed stone. The base of the pyramid was  and it was  tall. Four jardinières were leaned on each side of the pyramid, with the seedlings of the common box. They were hexagonally shaped and also made of the roughly dressed stone. On top of the pyramid a six-armed cross was placed. On the eastern side of the pedestal a plate was placed with the inscription: "To the fallen heroes in the wars for liberation and unification 1912-1918, this monument is erected by the thankful people of the Vračar District. Consecrated on 1 June 1922". On the other three side the inscriptions simply said "cross (made) of Carrara marble". On the western side of the horizontal arm of the cross another inscription read: "Unknown Serbian soldier confirmed by the commission on 29 November 1921". The monument was encircled by 16 short stone pillars, 4 on each side, connected with chains. Remains of the unknown soldier were placed in the metal coffin and walled in the monument, together with the small wooden case in the colors of the Serbian flag containing the grenade parts, and remains of another three unidentified soldiers which were discovered in the foothills of Avala.