| Empires Round 1 |
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| May 29, 2011 - June 30, 2011 |
| Empires Round 2 |
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| July 1, 2011 - July 28, 2011 |
| Empires Round 3 |
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| July 28, 2011 - August 28, 2011 |
| Empires Round 4 |
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| August 28, 2011 - September 29, 2011 |
| Empires Round 5 |
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| September 29, 2011 - October 30, 2011 |
| Empires Round 6 |
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| October 31, 2011 - November 27, 2011 |
| Empires Round 7 |
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| November 27, 2011 - December 30, 2011 |
| Empires Round 8 |
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| December 30, 2011 - January 31, 2012 |
| Empires Round 9 |
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| January 31, 2012 - February 29, 2012 |
| Empires Round 10 |
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| February 29, 2012 - March 29, 2012 |
| Empires Round 11 |
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| March 29, 2012 - April 29, 2012 |
| Empires Round 12 |
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| April 29, 2012 - May 28, 2012 |
| Empires Round 13 |
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| May 28, 2012 - July 1, 2012 |
| Empires Round 14 |
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| July 1, 2012 - July 31, 2012 |
| Empires Round 15 |
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| July 31, 2012 - August 26, 2012 |
| Empires Round 16 |
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| August 26, 2012 - September 30, 2012 |
| Empires Round 17 |
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| September 30, 2012 - October 28, 2012 |
| Empires Round 18 |
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| October 29, 2012 - December 2, 2012 |
| Empires Round 19 |
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| December 2, 2012 - February 10, 2013 |
| Empires Round 20 |
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| February 10, 2013 - March 10, 2013 |
| Empires Round 21 |
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| March 11, 2013 - April 14, 2013 |
| Empires Round 22 |
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| April 14, 2013 - May 12, 2013 |