(1894 - 1972) the eldest son of KingGeorge V and Queen Mary of Great Britain. During World War I, he served a s an officer on the western front (a battle line that ran 450 miles from the English Channel in France to Switzerland) and in Egypt and Italy. After the war he made several trips to Canada, the United States, South America, Africa, India, Australia and New Zealand in the interests of world peace and British trade. Wales is a political division of Great Britain which occupies the western peninsula of that island. Prince of Wales is a title traditionally held by the male heir to the throne of Great Britain. —PDC Volume 8 Approved Glossary