Czechia holds the second round of its presidential election, while Slovakia is set for an early election of uncertain date.
Another big defeat for Russia at the United Nations shows how little international opinion has changed since March.
Liechtenstein votes against authorisation of Covid-related restrictions that were no longer in force anyway.
A president narrowly returned in Angola, a high-profile loss in Alaska and the draft constitution goes down in Chile.
Chile votes on a new constitution, while Colombia sets out a path to drug legalisation.
A shock defeat for an anti-abortion initiative in Kansas gives hope to Democrats facing an otherwise bleak political landscape.
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.