NFL fans are just now realizing the hidden meaning of the three stars in the Pittsburgh Steelers logo

The secret meaning in the Pittsburgh Steelers logo has special historical significance.
The Steelers honor their city’s nickname with a logo that uses colors to honor the American Iron and Steel Institute.
NFL fans were shocked to learn what each color represented in the Steelers.
Can you guess what it is from the logo?
The three stars in the logo represent materials used in steelmaking – yellow for coal, orange for iron ore, and blue for steel scrap.
The Steelmark logo was originally created to represent steel and the steel industry owned by the American Iron and Steel Institute – and served to advertise the product and its manufacturers until the early 1960s.


In 1962, the co-owner of Steelmark asked the Steelers’ owner to put the logo on one side of his helmets, and that decision led to Pittsburgh’s first postseason bid.
The logo was originally just called “Steel”, but after a request to change the team’s full name, it was approved and changed to “Steelers”.
The Steelers are the only NFL team to have a logo on only one side of their helmet.
However, this is not the only optical illusion in sports.
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