Complex sentence: The main shareholder of General Bank of Greece was the Participial Fund of Army in March 2004 the majority of shares was acquired by Société Générale Group and changed the name from "General Bank of Greece" to Geniki Bank.
Split into simpler sentences: The main shareholder of General Bank of Greece was the Participial Fund of Army. In March 2004 the majority of shares was acquired by Société Générale Group and the name was changed from "General Bank of Greece" to Geniki Bank.