Division number 86 – in the House of Commons on 20 Hydref 2010.
A majority of MPs agreed and wedi pleidleisio against reviewing the number and size of Parliamentary constituencies in Wales within a year of deciding to go ahead with a referendum in Wales on additional devolution to the Welsh Assembly.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.