https://theaviationist.com/2009/05/08/157th-anniversary-of-the-polizia-di-stato-italian-state-police/
157th Anniversary of the Polizia di Stato (Italian State Police) - The Aviationist
May 8, 2009 - The Polizia di Stato (PS, Italian for State Police), the Armed Corps depending on the Ministry of the Interior celebrated on May 8, its 157th anniversary.
the polizia di statoitalian state police157thanniversary