(CNN) — Family, food and football: That’s what Thanksgiving is all about.

The NFL has hosted games on the annual November holiday since the 1920s, and the Detroit Lions and Dallas Cowboys are the two traditional teams involved in the afternoon games every year.

It all started back in 1934 – the Lions were a brand-new team struggling to fill their stadium. So, owner George Richards came up with a brilliant idea: Host a game on Thanksgiving Day and broadcast it nationwide on his radio network.

Detroit sold out that first game, and the tradition stuck.

Fast forward to 1966 – Dallas wanted in. The Cowboys were still building their fanbase, and general manager Tex Schramm figured a Thanksgiving game would put “America’s Team” on the map.

He was right. The ratings soared – and outsid

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