Division number 201 – in the House of Commons on 29 Chwefror 2016.
A majority of MPs wedi pleidleisio to set the date of the referendum on the UK's membership of the EU as the 23rd of June 2016, and to set other dates relevant to the regulation of the referendum.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.