The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom.
Scottish Referendum on Independence - September 14, 2014

1
Placards showing "Yes" and "No" are displayed on moorland on the Isle of Lewis, in the Outer Hebrides of Scotland, Sept. 14, 2014.

2
Scotland's First Minister Alex Salmond holds a T-shirt promoting a concert being held in support of a "Yes" vote, in Edinburgh, Scotland, Sept. 14, 2014.

3
Alistair Darling, the leader of the campaign to keep Scotland part of the United Kingdom, waits before a meeting in Edinburgh, Scotland, Sept. 14, 2014.

4
A "Yes" supporter with a tattoo of Scotland on his back holds a Saltire flag at a rally outside the BBC in Glasgow, Scotland, Sept. 14, 2014.

5
Pro-Union 'No' supporters gather during a rally in Edinburgh, Scotland, Sept. 14, 2014.

6
"Yes" supporters gather at a rally outside the BBC in Glasgow, Scotland, Sept. 14, 2014.

7
A postal vote for the Scottish Independence Referendum is dropped into a letter box in Moulin, Scotland, Sept. 12, 2014.