1978 FIFA World Cup Netherlands and Brazil were the gold, silver and bronze medalists, respectively. Iran and Tunisia made their first appearances in the tournament. This was also the last World Cup tournament to use the original inclusion of 16 teams. Since the first World Cup in 1930, only 15 teams (plus the host, who automatically qualified) had been allowed to qualify (the reigning title holders also received automatic qualification from 1934 through 2002); but for the next World Cup, in Spain, FIFA expanded that tournament to 24 teams. The official match ball was the Adidas Tango. Argentina was chosen as the host nation
FIFA World Cup receive medals with an insignia of the World Cup Trophy; winners' (gold), runners-up' (silver), and third-place (bronze). In the 2002 edition, fourth-place medals were awarded to hosts South Korea. Before the 1978 tournament, medals were only awarded to the eleven players on the pitch at the end of the final and the third-place match. In November 2007, FIFA announced that all members of World Cup-winning squads between 1930 and 1974 were to be retroactively awarded winners' medals. Since the second World Cup in 1934, qualifying tournaments have been held to thin the field for the final tournament. They are held