Complex sentence: Formerly Anchorena Palace, the building was acquired by the Argentinian government in 1936 and became the Headquarters for the Ministry of Foreign Relations and today serves as the Ceremonial Headquarters for the Ministry.
Split into simpler sentences: Formerly Anchorena Palace, the building was acquired by the Argentine government in 1936 and became the Headquarters for the Ministry of Foreign Relations. At present it serves as the Ceremonial Headquarters for the Ministry.