Construction of the monument began on 23 January 1974 under architect Georgi Stoilov, a former mayor of Sofia and co-founder of the Union of Architects in Bulgaria.
Stavba památníku začala 23. ledna 1974 pod vedením architekta Georgiho Stoilova (bývalého starosty Sofie a spoluzakladatele Unie architektů v Bulharsku).