The Battle of Grand Gulf was fought on April 29, 1863, during th: London dominates the media sector in the UK: national newspapers and television and radio are largely based there, although MediaCityUK in Manchester is also a significant national media centre. Edinburgh and Glasgow, and Cardiff, are important centres of newspaper and broadcasting production in Scotland and Wales, respectively.[479] The UK publishing sector, including books, directories and databases, journals, magazines and business media, newspapers and news agencies, has a combined turnover of around £20 billion and employs around 167,000 people.[480] In 2015, the UK published 2,710 book titles per million inhabitants, more than any other country, much of this being exported to other Anglophone countries.[481]