The early 2020s saw Denmark [[2022_Danish_European_Union_opt-out_referendum|abolishing one of its three opt-outs]] and [Croatia [adopting the Euro|Croatia_and_the_euro]
The early 2020s saw Denmark [[2022_Danish_European_Union_opt-out_referendum|abolishing one of its three opt-outs]] and [Croatia_and_the_euro]|Croatia adopting the Euro]