Saltire detected the symbol, which often appears with balls in the quadrants formed by the arms of the chi-cross, in standards that appear on the coins of Persepolis. She suggested that early Christians endorsed its solar symbolism as appropriate to Christ. She also wrote: "although it cannot be proved, ... in the white saltire of St. Andrew we still have a reminiscence of the old standard of the Persepolitan kingdom". In the old European Union standard, a black saltire set in an orange square is the hazard symbol for irritants (Xi) or harmful chemicals (Xn). It indicates a hazard less severe
Tie a Yellow Ribbon Round the Ole Oak Tree much welcome. The origin of the idea of a yellow ribbon as remembrance may have been the 19th-century practice that some women allegedly had of wearing a yellow ribbon in their hair to signify their devotion to a husband or sweetheart serving in the U.S. Cavalry. The song "'Round Her Neck She Wears a Yeller Ribbon", which later inspired the John Wayne movie "She Wore a Yellow Ribbon", is a reference to this. The symbol of a yellow ribbon became widely known in civilian life in the 1970s as a reminder that an absent loved one, either in the military