Facts about Thanksgiving, according to the History Channel (History.com)

Though many competing claims exist, the most familiar story of the first Thanksgiving took place in Plymouth Colony, in present-day Massachusetts, in 1621. More than 200 years later, President Abraham Lincoln declared the final Thursday in November as a national day of thanksgiving. Congress finally made Thanksgiving Day an official national holiday in 1941.

Sarah Josepha Hale, the enormously influential magazine editor and author who waged a tireless campaign to make Thanksgiving a national holiday in the mid-19th century, was also the author of the classic nursery rhyme "Mary Had a Little Lamb."

In 2001, the U.S. Postal Service issued a commemorative Thanksgiving stamp. Designed by the artist Margaret Cusack in a style resembling traditional folk-art needlework, it depicted a cornucopia overflowing with fruits and vegetables, under the phrase "We Give Thanks."

The American Automobile Association (AAA) estimated that 42.2 million Americans traveled 50 miles or more from home over the Thanksgiving holiday weekend in 2010.

According to the U.S. Census Bureau, Minnesota is the top turkey-producing state in America, with a planned production total of 46.5 million in 2011. Six states—Minnesota, North Carolina, Arkansas, Missouri, Virginia, and Indinia—account for nearly two-thirds of the  248 million turkeys that will be raised in the U.S. this year.

The National Turkey Federation estimated that 46 million turkeys—one fifth of the annual total of 235 million consumed in the United States—were eaten at Thanksgiving.

In a survey conducted by the National Turkey Federation, nearly 88 percent of Americans said they eat turkey at Thanksgiving. The average weight of turkeys purchased for Thanksgiving is 15 pounds, which means some 690 million pounds of turkey were consumed in the U.S. during Thanksgiving in 2007.

Cranberry production in the U.S. is expected to reach 750 million pounds in 2011. Wisconsin, Massachusetts, New Jersey, Oregon and Washington are the top cranberry growing states.

Illinois, California, Pennsylvania and New York are the major pumpkin growing states, together they produced 1.1 billion pounds of pumpkin in 2010. Total U.S. production was over 1.5 billion pounds.

The sweet potato is most plentifully produced in North Carolina, which grew 972 million pounds of the popular Thanksgiving side dish vegetable in 2010. Other sweet potato powerhouses included California and Mississippi, and the top producing states together generated over 2.4 billion pounds of the tubers.

According to the Guinness Book of World Records, the largest pumpkin pie ever baked weighed 2,020 pounds and measured just over 12 feet long. It was baked on October 8, 2005 by the New Bremen Giant Pumpkin Growers in Ohio, and included 900 pounds of pumpkin, 62 gallons of evaporated milk, 155 dozen eggs, 300 pounds of sugar, 3.5 pounds of salt, 7 pounds of cinnamon, 2 pounds of pumpkin spice and 250 pounds of crust.