1) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.

2) In Aztec mythology, Quetzalcoatl is a prominent deity often depicted as a feathered serpent. He is associated with creation, fertility, and wind, and is considered a cultural hero and patron of priests and rulers. The arrival of Spanish conquistadors was interpreted by some as the return of Quetzalcoatl.

3) The President of the United States serves as the head of state and the head of government, responsible for leading the executive branch and representing the nation domestically and internationally.

4) The highest-grossing concert tour of all time is U2's "360° Tour," which earned over $735 million in ticket sales.