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Cwis: Clociau Cymru – BBC Cymru Fyw

Mae’r amser yna o’r flwyddyn eto ble mae’r clociau yn cael eu troi am yn ôl.

Daw’r arferiad yma o’r Rhyfel Byd Cyntaf, pan drodd y fyddin Almaenaidd y clociau ymlaen er mwyn ceisio arbed egni rhai o’r milwyr.

Fe wnaeth y rhan fwyaf o lywodraethau gwledydd Ewrop wedyn wneud yr un peth, ac mae’r arferiad wedi parhau ers hynny.

Mae sawl tŵr cloc yng Nghymru, ond faint wyddoch chi amdanyn nhw?

Rhowch gynnig ar ein cwis!


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