Rules of the Game: For FIFA matches, the ball should have a circumference of not more than 70 cm (28 ins) and not less than 68 cm (27 ins).
Uruguay beat Argentina to win the first World Cup in 1930 in front of a crowd of 93,000 people.
The Copa del Rey, an annual cup tournament in Spain involving more than 80 teams, was first played in 1902.
On a regulation size field, the edge of the penalty box is 18 yards from the goal line.
Bora Milutinovic is the only man to coach five World Cups with five different teams: Mexico, Costa Rica, United States, Nigeria and China.