The Battle of Grand Gulf was fought on April 29, 1863, during th: English is a pluricentric language, which means that no one national authority sets the standard for use of the language.[93][94][95][96] Spoken English, including English used in broadcasting, generally follows national pronunciation standards that are established by custom rather than by regulation. International broadcasters are usually identifiable as coming from one country rather than another through their accents,[97] but newsreader scripts are also composed largely in international standard written English. The norms of standard written English are maintained purely by the consensus of educated English speakers around the world, without any oversight by any government or international organisation.[98]