Division number 203 – in the House of Commons on 15 Chwefror 2011.
A majority of MPs agreed and wedi pleidleisio not to increase the permitted variation from the norm in the number of voters in each parliamentary constituency to 7.5% from the 5% previously proposed.
Eisiau deall mwy am y bleidlais hon? Darllenwch y ddadl yr oedd yn rhan ohoni.