Henry Mainwaring Henry Mainwaring Sir Henry Mainwaring (1587–1653), was an English lawyer, soldier, author, seaman and politician who sat in the House of Commons from 1621 to 1622. He was for a time a pirate based in Newfoundland and then a naval officer with the Royal Navy. He supported the Royalist cause in the English Civil War. Mainwaring was born in Ightfield, Shropshire, second son of Sir George Mainwaring and his wife Ann, the daughter of Sir William More of Loseley Park in Surrey. His maternal grandfather was Sir William More, Vice-Admiral of Sussex. He graduated from Brasenose College at Oxford University,
Battle of the Giants! prepares to chuck the Eastgate flag over the parapet, but Walker stops him. Mainwaring is shocked to learn that both flags are theirs. Walker offers up an excuse, but Mainwaring sees through him, knowing he did it on purpose. However, he is prepared to let him off because they won the contest. Battle of the Giants! "Battle of the Giants!" is the first special Christmas episode of the British comedy series "Dad's Army" that was originally transmitted on Monday 27 December 1971. After being insulted by Captain Square for his lack of medals, Captain Mainwaring challenges the Eastgate platoon to