2011 ( MMXI ) was a common year starting on Saturday ( link will display the full calendar ) 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 .
2011 ( MMXI ) was a common year starting on Saturday in the Gregorian calendar .