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).
Rules of the Game: The ball is in play at all other times, including when it rebounds from a goalpost, crossbar or corner flag post and remains in the field of play.
England's Football Association first legalized professional soccer players in 1885.
The first non-European nation to join FIFA was South Africa in 1909.
The Netherlands' Ernie Brandt is the only man to score a goal for both teams in a World Cup game, accomplishing the feat in 1978.