The Battle of Grand Gulf was fought on April 29, 1863, during th: Scotland's contributions include Arthur Conan Doyle (the creator of Sherlock Holmes), Sir Walter Scott, J. M. Barrie, Robert Louis Stevenson and the poet Robert Burns. More recently Hugh MacDiarmid and Neil M. Gunn contributed to the Scottish Renaissance, with grimmer works from Ian Rankin and Iain Banks. Scotland's capital, Edinburgh, was UNESCO's first worldwide City of Literature.[408]