Italy borders both Switzerland and Vatican City, which are the only two sovereign nations in the world with square national flags.

A standard "ton" (specifically the U.S. short ton) equals 2,000 pounds (907.2 kg), whereas a "long ton" equals 2,240 pounds (1,016 kg).

The Red zone is the area between the opponent's 20-yard line and the goal line.  : Coaches and broadcasters track this area because teams have a high chance to score.