The first match of the 2022 FIFA World Cup in Qatar begins when the host nation takes on Ecuador on Sunday.
The groups are set, the rosters are out, all that's left are for matches to kick off. The 2022 tournament is the first shot in eight years for the United States to make a run at one of the world's most coveted professional sports trophies. The Stars and Stripes will have to fight their way out of Group B against England, Iran and Wales.
America's young stars will share the stage with some of the world's greatest footballers.
Maybe you're a diehard fan of soccer who knows every competitor and group by heart. But do you recognize each nation by their flag? Test your knowledge with this quiz:
How many did you get right? Tell your friends how knowledgeable you are by sharing this link.