| Date | Day | Commons day type | Commons praying | Lords day type | Lords praying |
|---|---|---|---|---|---|
| Sunday | 21st | Prorogation | False | Prorogation | False |
21st September 1856 forms part of the prorogation between the 4th and 5th sessions of the 16th Parliament, being the 4th prorogation of that Parliament.
Papers laid during this prorogation are reported by both Houses in the 5th session of the 16th Parliament.