sentences:  HMS Valiant (1807)
  
  HMS "Valiant" was a 74-gun third-rate ship of the line of the Royal Navy, launched on 24 January 1807 at Blackwall Yard.She took part in the attack on Copenhagen in 1807 and in the action against French warships in the Basque Roads from 11–25 April 1809 (Battle of Aix Roads) under Lord Gambier and Lord Cochrane.