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For many American families, a successful Thanksgiving is filled with loved ones around the table, turkey as a centerpiece and NFL games taking over every TV in the house.

Football has been a popular Thanksgiving tradition for many years, from amateur leagues to the pros. Families and friends even gather the morning of Thanksgiving for a quick pick-up game of flag, tag or tackle football. In one way or another, football is intertwined with Turkey Day festivities.

Here's more insight into how Thanksgiving Day football became a long-lasting tradition.

NFL players eating turkey

Families gather every year to watch NFL football games on Thanksgiving. (Nic Antaya / Getty Images / File)

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  1. How many NFL games are played on Thanksgiving Day?
  2. How did football become a Thanksgiving Day tradition?
  3. Why did NFL teams begin playing on Thanksgiving Day?
  4. What two NFL teams traditionally play on Thanksgiving Day?

1. How many NFL games are played on Thanksgiving Day?

Along with the Detroit Lions and Dallas Cowboys, there is one other game that takes place on Thanksgiving. A third game was added to the lineup in 2006 and is awarded to different teams every year.

Almost every NFL team has played a Thanksgiving game, making for many memorable moments over the years. The only team that has never played a Thanksgiving game is the Jacksonville Jaguars.

"These Thanksgiving Day matchups are made by the NFL, whose scheduling model has a cyclical component to it. And because of this, our opportunities to play the Lions and Cowboys are to some degree limited, as both teams reside in the National Football Conference" Chad Johnson, Chief Operating Officer of the Jacksonville Jaguars, told Fox News Digital. "We're pleased to be a part of five nationally televised games this season – two during our annual visit to London and three more as part of the NFL's Thursday, Sunday and Monday Night Football packages."

Johnson added, "We are always interested in showcasing our team and our town on a national stage and plan to continue working with the league on various prime-time scheduling opportunities in the coming years."

2. How did football become a Thanksgiving Day tradition?

NFL games on Thanksgiving Day started the same year the league was organized. There were several teams that played on the holiday in 1920, including the Akron Pros vs the Canton Bulldogs, the Elyria Athletics vs the Columbus Panhandles and the Dayton Triangles vs the Detroit Heralds, according to the Pro Football Hall of Fame. Of these teams, five out of the six were professional teams from Ohio.

However, the tradition of game day on Thanksgiving was first seen at the collegiate level. The first college game in history played on Thanksgiving Day was on Nov. 30, 1876, when Ivy League rivals, Yale and Princeton, played one another. Yale beat Princeton 2-0.

A Detroit Lions fan during a Thanksgiving game

NFL games on Turkey Day have occurred since the beginning of the NFL. (Amy Lemus / NurPhoto via Getty Images / File)

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3. Why did NFL teams begin playing on Thanksgiving Day?

NFL teams first began playing on Thanksgiving Day to boost the popularity of the sport and used it as an opportunity for teams to attract more fans.

The tradition was first established by Detroit Lions owner George A. Richards in 1934, who intended to recruit more fans to the franchise. He decided the Lions would play on the holiday. 

Since then, the tradition has grown as a football frenzy, causing the game to become the Thanksgiving staple that it is today.

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Dallas Cowboys during Thanksgiving game in 2018

The Dallas Cowboys is one team that plays every Thanksgiving. (Andrew Dieb / Icon Sportswire via Getty Images / File)

4. What two NFL teams traditionally play on Thanksgiving Day?

The two teams that traditionally play on Thanksgiving Day are the Detroit Lions and Dallas Cowboys. They are both highly regarded as Thanksgiving Day teams and have both accrued an enthusiastic fan base through the years.

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The Lions first started hosting an annual game in 1934 and have played nearly every year since. NFL games were paused from 1939 through 1944 due to World War II.

In 1966, the Dallas Cowboys became the second team to traditionally play on Thanksgiving. The Cowboys have played almost every Thanksgiving since 1966, except for 1975 and 1977. Instead, the NFL awarded the St. Louis Cardinals with games on Thanksgiving Day both years to increase fanbases of their franchise.