Two monks from Thessalon invented the Cyrillic script, which is used in Bulgaria, in the ninth century. One of the less well-known facts about Bulgaria is this.
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Did you Know? Dr. Sesus wrote "Green Eggs and Ham" after his editor dared him to write a book using fewer than 50 words.
The eye disorder known as heterochromia is characterized by the presence of two distinct hues, one in each eye.