Parga is one of the prettiest towns in Greece , although it is on the mainland you can't help but believing that you are o...
Showing posts with label roman. Show all posts
Showing posts with label roman. Show all posts
Thursday, 12 June 2014
The Roman ruler Julius Caesar
The Roman ruler Julius Caesar (100 B.C. – 44 B.C.) used a very simple cipher for secret communication. He substituted each letter...
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