On Thursday 23 June 2016, a UK-wide referendum was held to decide the question:
"Should the United Kingdom remain a member of the European Union or leave the European Union?'"
Referendum documents can be downloaded below.
Referendum on membership of the European Union, 2016
For an overview of the voting results, go to Wikipedia: results of the 2016 United Kingdom European Union membership referendum.
On Thursday, 5 May 2011 a UK-wide referendum was held to decide the question:
"At present, the UK uses the 'first past the post' system to elect MPs to the House of Commons. Should the 'alternative vote' system be used instead?"
The result of local voting, along with other referendum documents, can be downloaded below.
Referendum on the voting system for UK parliamentary elections 2011