On April 2, 1801 at a key moment at the Battle of Copenhagen, Admiral Sir Hyde Parker, in overall command of the British forces, sent a signal to Vice-Admiral Horatio Nelson to withdraw.  Nelson is said to have lifted his telescope to his blind eye and to have remarked, “I really do not see the signal.”  He carried on and won a great victory.   The phrase to “turn a blind eye” is attributed to this moment in what was Nelsen’s most hard fought victory, two hundred and ten years ago today.