Sgwrs Categori:Cwmnïau a sefydlwyd ym 1998

Ni chefnogir cynnwys y dudalen mewn ieithoedd eraill.
Oddi ar Wicipedia

It looks clear to me that this category is the same as Categori:Cwmnïau a sefydlwyd yn 1998, aside from the yn/ym-difference. Please choose the one that is grammatically correct in Welsh and delete the other! - FakirNL (sgwrs) 15:32, 21 Medi 2014 (UTC)[ateb]

Wedi gwneud, diolch. —Adam (sgwrs • cyfraniadau) 16:36, 21 Medi 2014 (UTC)[ateb]
Wedi dod o "https://cy.wikipedia.org/w/index.php?title=Sgwrs_Categori:Cwmnïau_a_sefydlwyd_ym_1998&oldid=1637015"