The distinctive sound of bagpipes is immediately associated with Scotland. Yet historians suggest the musical instrument dates back 2,000 years to Greece, the Middle East and the Roman Empire. They were probably first used by Scottish Highlanders on battlefields during the mid-16th century and grew in popularity during the two World Wars. The National Piping Center in Glasgow is a school and museum dedicated to this iconic symbol of Scotland. The institution is housed in the Old Cowcaddens Church built in 1872.