American Bicentennial Commemorative Tartan Tartan Number: 91. Earliest known date: 1975 From an idea put forward by Mr J.C.Thomson in 1974, to have an identifying tartan for American St Andrews and Caledonian Societies'. Where the lighter stripes cross each other in the dark blue, there is an effect of the Stars of the American flag. The thirteen alternate red and white stripes appear in the full sett of the tartan. See products available Copyright © Blair Urquhart, Comrie, 2015