October 18

The Bahá’ís should give up the celebrating of Christian Holy Days such as Christmas. The same applies to Bahá’ís of Jewish and Moslem extraction etc. However, this is not a thing for the Spiritual Assemblies to enforce now; but each one should conscientiously begin to do this―otherwise, people will never know we are members of a new religion, but will think we are just people believing two or three things at the same time. 
- Shoghi Effendi  (From a letter dated 15 August 1957 written on behalf of Shoghi Effendi, quoted by the Universal House of Justice in a letter written on its behalf dated 6 November 1986; ‘Messages from the Universal House of Justice 1986-2001)