These letters were used to a small extent on public inscriptions dating from Claudius' reign, but their use was abandoned after his death. Their forms were probably chosen to ease the transition, as they could be made from templates for existing letters. He may have been inspired by his ancestor
Appius Claudius the
Censor, who made earlier changes to the Latin alphabet. Claudius did indeed introduce his letters during his own term as censor (47–48), using arguments preserved in the historian
Tacitus' account of his reign, although the original proclamation is no longer extant.
Suetonius said of Claudius' letters: Assuming that the letters were added at the end of the alphabet, just like
Y and
Z were, and that the order of these 3 letters does not matter, the Latin alphabet with these letters would look like this: Support for the letters was added in version 5.0.0 of
Unicode. Although these letters, as all Latin letters in antiquity, originally occurred only in capital form, lowercase forms were introduced to meet Unicode casing requirements. The minuscule form for the turned F was designed as a turned small capital F and should not be confused with the
IPA symbol representing a voiced palatal stop. The letters are encoded as follows: ==See also==