September 7

He also wishes me to inform you that the symbol of the Greatest Name represents an invocation which can be translated either as ‘O Glory of Glories’ or ‘O Glory of the All-Glorious.’ The word glory used in this connection is a translation of the Arabic term ‘Baha,’ the name of Baha’u’llah. 
- Shoghi Effendi  (From a letter dated April 28, 1935, written on behalf of Shoghi Effendi, Baha’i News no. 93, July 1935)