Spanish explorers landed on some of the Caribbean islands since Columbus’ “discovery” of 1492 and claimed the region for Spain. Since 1506 the Spanish used as their naval ensign a white flag with, in red, the “Cross of Burgundy” (representing the cross on which Saint Andrew was crucified, two crossed, roughly-pruned knotted branches) was first used in the 15th century. It was an emblem of the Valois Dukes of Burgundy, a region in France. This symbol, via the House of Habsburg, was adopted by the monarchs of Spain in the early 16th century.