National Different Colored Eyes Day is observed annually on July 12th. There are many people out there that have two different colored eyes, and this is their day to celebrate! Having two different colored eyes is a condition called Heterochromia.
Jul 11, 2016 - Besides National Pecan Pie Day, July 12 is Different Colored Eyes Day! Heterochromia, two different colored eyes, is a trait commonly found in cats, dogs, horses but is relatively rare in humans. One eye can be blue, while the other is hazel.