Danish voters approve an end to their exemption from EU defence activities, in a further sign of Europe's commitment to countering Russian aggression.
Elections in Britain overnight will be watched for their broader political implications, especially in Brexit-plagued Northern Ireland.
Your monthly update of electoral news around the world: features Costa Rica, Australia, Spain and Switzerland.
While we're still thinking about an Australian republic, here's a flashback to how the issue looked 22 years ago, in the aftermath of the referendum defeat.
Australia's republican movement makes a bid for relevance with a new "model" for how a republic would work. It has some problems.
A boycott by the pro-independence forces in New Caledonia produces an overwhelming victory for their opponents and a complete failure to advance towards a solution.
New Caledonia's independence referendum on Sunday is a foregone conclusion, since only one side is planning to turn out. The difficult question is what happens next.
A referendum in Switzerland delivers a big win for public health measures and against the anti-vax lobby.
Catalonia's jailed independence leaders are to be released, in the first step towards possible reconciliation. Nationalist leaders – and their voters – are not happy.
France opts for an early date for New Caledonia's next vote on independence. That accords with the wishes of the anti-independence forces, but their task remains a difficult one.