2011 Event The U.S. Department of Justice admits and defends it has probed WikiLeaks-related Twitter accounts, dismissing privacy and freedom of speech concerns 1870 Event Jem Mace and defends his heavyweight crown against Irish champ Joe Coburn, it lasts 1 hour and 17 minutes, and neither is struck by a punch 1523 Event Sermon of Constanz: Zwingli defends 67 Schlussreden