1) Political campaigns involve strategic activities, such as advertising, public appearances, and grassroots organizing, aimed at promoting a candidate or political party and gaining support during elections.

2) The first modern Olympic marathon race was held at the 1896 Olympics in Athens and has since become one of the most iconic and challenging events in athletics.

3) The world's most expensive car is the Bugatti La Voiture Noire, which sold for over $18 million.

4) The Super Bowl is the championship game of the National Football League (NFL) in the United States and is one of the most-watched television events each year.