Problem  

Bug ID: 4884887 

Legacy languages have been removed from the login screen. The only languages that appear on the login screen are as follows: 

• French

• German

• Italian

• Japanese

• Korean

• Spanish

• Swedish

• Traditional Chinese

Solution  

If you want to have the legacy locales on your login screen, then ask your system administrator to uncomment the entries for the locales in the following file: /etc/X11/gdm/locale.alias

Your system administrator then needs to reboot your system. The legacy locales should then appear in the login screen.