Lua error in package.lua at line 80: module 'Module:Ancient Olympiads' not found.2011 (MMXI)was a common year starting on Saturday of the Gregorian calendar, the 2011th year of the Common Era (CE) and Anno Domini (AD) designations, the 11th year of the 3rd millennium, the 11th year of the 21st century, and the 2nd year of the 2010s decade.