Cards Were Invented at a Traffic Light

English referee Ken Aston came up with yellow and red cards while sitting at a stoplight, after confusion over bookings at the 1966 World Cup. They were introduced at the 1970 tournament and are now used in nearly every sport that needs them.

The Biggest Crowd Ever for a Club Match

On 22 April 2022, a world-record 91,648 fans packed Camp Nou to watch Barcelona beat Wolfsburg 5-1 in the Champions League semi-final. Barcelona had set the previous record themselves just three weeks earlier, with 91,553 against Real Madrid.