In 1946, a West Indian Currency Conference saw Barbados, British Guiana, the Leeward Islands, Trinidad and Tobago and the Windward Islands agree to establish a unified decimal currency system based on a West Indian dollar to replace the current arrangement of having three different Boards of Commissioners of Currency (for Barbados (which also served the Leeward and Windward Islands), British Guiana and Trinidad & Tobago).