Claim: The Lisbon treaty calls for EU member nations to be part of the euro by 2020.
Fact-check: The UK won't have to adopt the Euro by 2020 - Full Fact
Verdict: incorrect.  the treaty aims for the euro becoming the currency of all member states of the union but it isn't time limited and the uk has an explicit opt-out.
Organisation: Full Fact
Author: Abbas Panjwani
Date published: 2019-05-07T00:00:00