2007 (MMVII)was a common year starting on Monday of the Gregorian calendar (dominical letter G), the 2007th year of the Common Era (CE) and Anno Domini (AD) designations, the 7th year of the 3rd millennium, the 7th year of the 21st century, and the 8th year of the 2000s decade.2007 was designated as: International Heliophysical Year. International Polar Year. European Year of Equal Opportunities for All. Year of Rumi. Year of the Dolphin. Scotland's Year of Highland Culture.