Sotades invented palindromes in Greek-ruled Egypt, back in the 3rd century BC. In fact, palindromes were once known as "Sotadic verses." He was thrown into the sea (wrapped in lead) by King Ptolemy II, for insulting the king in one of his verses.
They were quite popular in the 1800's, but have not shared much popularity since around the 1930's.
Palindrome comes from the Greek words "palin" (again or back) and "dramein" (to run). So if you read that backwards, it translates loosely into "to run back."
The palindrome simply reads the same forwards and backwards, usually with a central focal point from where it begins to read backwards. There are several ways to write palindrome poems, three are presented here, along with examples.
1. It can be read backwards, with the same words, such as the example below.
by Paula Brown
Passionate always, forging forward.
Unquiet rage screams