The Danish and Norwegian alphabet consists of 29 letters:
1917, replacing "Aa". Similarily, "Å" was introduced in Danish in 1948, but its place as the last letter of the alphabet, as in Norwegian, was instituted in 1955.
In computing, several different coding standards have existed for this alphabet:
- DS 2089 (Danish) and NS 4551-1 (Norwegian), later established as international standard ISO 646
- IBM PC code page 865
- ISO 8859-1