Os ydych chi i fod i adnewyddu eich trwydded yrru, a wyddech chi mai ein gwasanaeth ar-lein yw'r ffordd hawsaf, gyflymaf a mwyaf cyfleus i'w wneud?Right up until 1974, driving licences (and tax discs) ended up issued by community authorities and had to be renewed each three years. In 1968, the choice was taken to computerise the licensing method to