無名戦士の記念碑 (ソフィア)
↑ Sofia News Agency, "Bulgaria Celebrates National Liberation Day", March 3, 2009 Retrieved April 7, 2021
↑ NATO/OTAN "NATO Supreme Allied Commander, French Air Force General Stephane Abrial visits Bulgaria", July 1, 2011 Retrieved April 7, 2021
↑ Sofia News Agency, "Sofia City Hall Guards Unknown Soldier Monument", May 4, 2010 Retrieved April 7, 2021

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