North Yorkshire Police were called at around 4.40am on Sunday 27 April 2014, after reports of a fight outside the Fat Badger on Cold Bath Road in Harrogate.
During the incident a 21-year-old local man was assaulted by another man and suffered injuries to his face and arm.
He was taken to Harrogate District Hospital and allowed home after treatment.
Officers are investigating the incident and are appealing to anyone who witnessed the fight to contact them with information.
Anyone who can help officers with their enquiries is urged to contact North Yorkshire Police on 101 – select option 2 – and ask for Harrogate
If you prefer not to give your name Crimestoppers can be contacted anonymously on 0800 555 111.