Claim: All EU members have to adopt the Euro after 2020.
Fact-check: EU member countries don't all have to join the Euro by 2020 - Full Fact
Verdict: incorrect. the uk and denmark have opt-outs so don't have to join the euro. the seven countries without an opt-out and not already in the euro are supposed to join it, but only once they meet certain conditions. there is currently no time limit on this process.
Organisation: Full Fact
Author: Claire Milne
Date published: 2019-03-20T00:00:00