2004 North East England devolution referendum
The 2004 North East England devolution referendum was an all postal ballot referendum that took place on 4 November 2004 throughout North East England on whether or not to establish an elected assembly for the region. Devolution referendums in the regions of Northern England were initially proposed under provisions of the Regional Assemblies (Preparations) Act 2003.
Source: Wikipedia — 2004 North East England devolution referendum (CC BY-SA 4.0)