2006 (MMVI) was a common year starting on Sunday of the Gregorian calendar, the 2006th year of the Common Era (CE) and Anno Domini (AD) designations, the 6th year of the 3rd millennium and the 21st century, and the 7th year of the 2000s decade.

2005 (MMV) was a common year starting on Saturday of the Gregorian calendar, the 2005th year of the Common Era (CE) and Anno Domini (AD) designations, the 5th year of the 3rd millennium and the 21st century, and the 6th year of the 2000s decade.