Emperor Claudius (the successor to Caligula) invented three new letters for the Latin alphabet, but they didn&#x27;t stick:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Claudian_letters" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Claudian_letters</a>