Wales has undergone a rapid change in its recent history, moving from an economy based around heavy industry and the coal industry to a diverse, high-tech, high-value modern economy.
Mae Cymru wedi gweld newid cyflym yn ei hanes diweddar, gan symud o economi wedi’i seilio ar ddiwydiant trwm a’r diwydiant glo i economi modern amrywiol, uwch-dechnoleg, gwerth-uchel.