2013 (MMXIII) was a common year starting on Tuesday (dominical letter F) of the Gregorian calendar, the 2013th year of the Common Era (CE) and Anno Domini (AD) designations, the 13th year of the 3rd millennium, the 13th year of the 21st century, and the 4th year of the 2010s decade.
2013 was designated as:
- International Year of Water Cooperation
- International Year of Quinoa
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