Division number 144 – in the House of Commons on 7 Chwefror 2017.
A majority of MPs wedi pleidleisio not to make publication of an assessment of the financial liability of the UK towards the EU, and a statement on the economic impact of the UK leaving the single market, a prerequisite for the Prime Minister giving notification of the UK's intention to withdraw from the EU.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.