Division number 139 – in the House of Commons on 6 Chwefror 2017.
A majority of MPs wedi pleidleisio against only allowing the Prime Minister to give notification of the United Kingdom's intention to leave the European Union a month after the approach to, and objectives for, withdrawal negotiations have been agreed by representatives of the Scottish, Welsh and Northern Ireland administrations.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.