William Cornwallis, English admiral and politician (died 1819)

Admiral Sir William Cornwallis, was a Royal Navy officer. He was the brother of Charles Cornwallis, 1st Marquess Cornwallis, British commander at the siege of Yorktown. Cornwallis took part in a number of decisive battles including the siege of Louisbourg in 1758, when he was 14, and the Battle of the Saintes but is best known as a friend of Lord Nelson and as the commander-in-chief of the Channel Fleet during the Napoleonic Wars. He is depicted in the Horatio Hornblower novel, Hornblower and the Hotspur.

February 20 is the 51st day of the year in the Gregorian calendar; 314 days remain until the end of the year.