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Ón Vicipéid, an chiclipéid shaor.

Also could someone make an article about Y byd ar bedwar, I don't know much about that programme The infobox says:

Terrestrial Analogue: Usually channel 4 (Wales only)

But this can't possibly be true, since use of channel 4 ended with the termination of VHF television broadcasting in the UK, and in any case the actual channel 4 (as opposed to Channel 4 and S4C) would have been 405-line 14:36, 23 Apr 2005 (UTC)

You're correct to say that tv receivers are normally programmed to identify the service with the number 4.