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The MACHC was originally established as the Caribbean Sea-Gulf of Mexico Hydrographic Commission (CGMHC) in Havana, Cuba, on 25-27 May 1994 on the occasion of its first meeting at the initiative of Cuba, The Netherlands, United States of America, Guyana and Mexico. Its first Chairman was Captain Juan Fung Riverón, President of the Cuban Hydrographic Institute. The original Commission expanded in 2002 to include the Pacific waters of Mexico, the Central American Members and Colombia and was renamed as MACHC. In 2005 the Commission further expanded to include the Western Atlantic waters and Brazil became a member. The principal Committee and Working Groups and priority activities of the Commission can be found here on the MACHC Initiative Website at: https://www.iho-machc.org/