366-The Alamanni cross the frozen Rhine River in large numbers and invade the Roman Empire 1492-Muhammad XII, the last Emir of Granada, surrenders his city to Ferdinand II of Aragon and Isabella I of Castile, ending both the Reconquista and centuries of Muslim rule on the Iberian Peninsula 1570-Tsar Ivan the Terrible's march to Novgorod begins 1905-Conference of 23 industrial trade unionists in Chicago, Illinois, issues the "Industrial Union Manifesto," calling for a convention to be held in Chicago in June and laying the groundwork for the formation of the Industrial Workers of the World (IWW) 1942-World War II: The 28 nations at war with the Axis powers pledge to make no separate peace deals 1947-Mahatma Gandhi begins a march for peace in East Bengal 1969-Australian Rupert Murdoch gains control of the 'News of the World'