Merch 16 oed o’r Bari yw Prif Weinidog Cymru am y diwrnod wrth i ferched ar draws y byd gymryd yr awenau i nodi Diwrnod Rhyngwladol y Cenhedloedd Unedig ar gyfer yr Eneth.
A 16-year-old girl from Barry has become First Minister of Wales for the day as girls across the world take over to mark the UN’s International Day of the Girl.