On Wednesday, Donald Tusk received a letter from UK Prime Minister Theresa May, informing him of the UK's intention to withdraw from the European Union.
Article 50 has been triggered and Leavers and Remainers are handling it in different ways.
It turns out, both camps also see the future of the European Union very differently.
A survey of 998 British adults over the phone between 10 and 14 February, found that 69 per cent of respondents thought that more countries would leave the EU following the Brexit vote.
24 per cent thought that other countries would not leave the EU.
As the below chart by Statista shows, although respondents were fairly evenly split over whether they wanted countries to leave the EU or not (42 per cent and 43 per cent), they were split into relatively obvious camps of thought:
Professor Anand Menon of King's College London, Director of UK in a Changing Europe, said:
The poll uncovered some fascinating differences between public and political opinion.
While the Prime Minister has made it clear she wants the EU to flourish without the UK, a large proportion of Leave voters believe, and indeed hope, that other member states will leave the Union in the wake of Brexit.
YouGov have also surveyed attitudes, and have found that only 21 per cent of respondents wanted the Brexit result overturned:
In addition, Regrexit (Bregret?) seems to largely be a myth.
Good thing too, it's very much happening