Two decades to the day, after the Maastricht Treaty, a turning point in Britain's relation to Europe. It, like 'Black Wednesday' or Lehman's collapse, becomes one of those iconic reference points which we return to so often in order to understand 'how we got here'.

This is what happened.

Lord David Owen (his blog is here) ( a veteran European commentator) reacts here.

A Eurosceptic MP reacts here.

David Miliband, on Twitter, says:  'UK jumped into rowing boat with Hungary next to 25 nation supertanker. That is weakness not strength'.  And the truth, is, that, not even Hungary joins Britain in this boat.

There is a lot of water to run past the ruins of the bridge Cameron has just destroyed.

Text of new, European accord here.