Political leaders are marking Brexit day with a series of speeches and statements setting out their hopes for Britain's future outside the European Union.
The First Minister will say that 'Wales remains a European nation' when he becomes the first of the politicians to make a speech this morning. He' is expected to say that "today is a day for looking forward, not back."
Meanwhile the Prime Minister will make a TV address to the UK at 10pm, just an hour before Britain legally ceases to be a member of the EU.
In it, Boris Johnson is expected to say that his job is to "bring this country together and take us forward.
"The most important thing to say tonight is that this is not an end, but a beginning.
The Welsh Secretary, Simon Hart, will say that today makes the start of a move to "unleash the enormous potential of communities across Wales."