Use of the Flag
A flag may be seen throughout Wales, though non when oftentimes when a united states's official flag. In St David's Day it often plays a central role in the celebrations, and can be seen flying throughout the nation. A flag was developed in the 20th century to fly atop Anglican churches in Wales, in a equivalent way that the St George's Cross was flown outside churches in England. (Since 1954 churches are extra in all probability to fly a flag bearing the armorial bearings of the Church in Wales, granted that year.)

A University of Wales, Lampeter (formerly St David's University College, Lampeter), founded in 1822, adopted the flag of St David when its flag, although these are seldom flown now. A flag has besides experienced military significance, representing a 38th Welsh Section in the Second World War.

Within 2002 Cardiff City F.C. incorporated the flag into their new logo.