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.
A series of protests and government overthrows, known as the Arab Spring, swept through the Middle East in 2011.
2011 was designated as:
International Year of Forests
International Year of Chemistry
International Year for People of African Descent
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