Longest palindromes
- Who
- n/a
- When
- 01 January 0001
The longest known palindrome is saippuakivikauppias (19 letters), which is Finnish for 'a dealer in lye'.
The longest English Palindrome is tattarrattat (12 letters), a nonce word (invented for a particular occasion or situation) meaning rat-a-tat appearing in the Oxford English Dictionary.