Wikipedia Definition 
Thanksgiving Day, known informally as Turkey Day, is a harvest festival celebrated primarily in the United Statesand Canada. Thanksgiving was a holiday to express thankfulness, gratitude, and appreciation to God, family and friends for which all have been blessed of material possessions and relationships. Traditionally, it has been a time to give thanks for a bountiful harvest. This holiday has since moved away from its religious roots.
In the United States, Thanksgiving Day falls on the fourth Thursday of November. In Canada, it is celebrated on the second Monday in October.
The precise historical origin of the holiday is disputed. Although Americans commonly believe that the first Thanksgiving happened in 1621, at Plymouth Plantation, in Massachusetts, there is strong evidence for earlier celebrations in Canada (1578) and by Spanish explorers in Florida (1565).
Traditional Thanksgiving Foods….
When we talk about Thanksgiving, the traditional celebration feast automatically comes to our mind, in its entire splendor and grandeur. The annual occasion of Thanksgiving is, in fact, considered as a day to feast, celebrate and give thanks. The dinner is usually served in the afternoon. Friends and family members get together to commemorate and rejoice the occasion and indulge in a variety of mouth-watering delicacies, like stuffed potatoes, casseroles and desserts. What tops the list is the traditional turkey recipe, which is considered as the main course of the meal, served along with the innumerous side dishes. The recipes to prepare these dishes are usually handed down from generation to generation. The little influence that we see in the preparations is due to modernization as well as intermingling of cultures.
Contrary to the popular belief, the pumpkin pie, cornbread, roasted turkey and all the Thanksgiving paraphernalia that we see on the Thanksgiving Dinner table do not owe their root to the original Thanksgiving meal of the Pilgrims. In 1621, a harvest festival was celebrated by the colonists or the Pilgrims, to thank God for saving their lives and guiding them through their journey in Mayflower and the following years of draught at Plymouth. After the rain that marked the end of the draught and revived the crop of corn and other fruits, they decided to celebrate the day with their neighbors or Massasoit, the chief of the Native Indians or Wampanoags, and his family. He came with all his extended family that constituted ninety people and stayed for three days.
Colonists were, of course, in bad shape and there were only four grown up married ladies left to do all the cooking. Thus, General Bradford sent four of his soldiers to hunt for fowls, who brought such a large number with them that it could feed the whole village for a week. Wampanoags also helped in supplementing the food supplies by contributing five deer they had killed and probably other supplies out of courtesy. The food listed in Winslow’s account consists of corn meal, fish such as bass and cod and wild fowls or turkeys. Other things that were not listed, but were available to residents of Plymouth in those days and were probably a part of the feast were lobster, rabbit, chicken, squashes, beans, chestnuts, hickory nuts, onions, leeks, dried fruits, maple syrup and honey, radishes, cabbage, carrots, eggs, and may be goat cheese.
Potatoes were unavailable in those days and butter and oil were scarce. There were no ovens, so though pumpkin stew and pudding may have been served, there was no scope to prepare pumpkin pies. Women who did the cooking were born and raised in England and probably experimented with their cooking by adapting their cooking methods to the native foods available to them. Roasting was the preferred method of preparing meats and poultry. But roasting on a spit over a fire took hours and required constant monitoring by someone who also turned the spite every now and then, so perhaps roasted venison was served with boiled fish and fowl or turkey. It is not unlikely that few of these birds may still have an overlooked birdshot embedded inside them.
Indian corns do not pop well, so there were no popcorns on Thanksgiving table, though corn may have been ground into meal for bread and thickener. Though cranberries were available to the colonists, cranberry sauce could not possibly have been served, because they had no access to sugar. Though honey or syrup could have been used to sweeten the cranberries, it required a lot of labor. Since there were four ladies cooking all day, to feed the crowd of about 150 people, they could not have find time to do all that work. In short, the Thanksgiving meal for the pilgrims would have consisted of roasted venison, stewed or boiled fowl, lobster and fish, corn and wheat breads, stew of dried fruits and perhaps pumpkin, one or two boiled vegetables and only water to drink.
Traditional Activities 
Thanksgiving Day parades are held in some cities and towns on or around Thanksgiving Day. Some parades or festivities also mark the opening of the Christmas shopping season.
to find out information on The Macy’s thanksgiving day parade click below
http://www1.macys.com/campaign/social?campaign_id=98&channel_id=1&LinkType=Homepage&cm_re=1.2.2-_-HOMEPAGE_INCLUDE_1-_-CATEGORY%20–%205125%20–%20:get%20the%20details
Many football games are played and watching them is a popular activity. Some people have a four-day weekend so it is a popular time for trips out of town and to visit friends and family.
For this Thursdays Football schedule click below
http://www.nfl.com/schedules
Television and radio 
While not as prolific as Christmas specials, which usually begin right after Thanksgiving, there are many special television programs transmitted on or around Thanksgiving.
Daytime television is a popular time slot for several Thanksgiving specials. NBCcurrently carries the Macy’s Thanksgiving Day Parade nationwide by official license from Macy’s; NBC also carries theNational Dog Show immediately after the Macy’s Parade, followed by Miracle on 34th Street. CBS carries unofficial coverage of the Macy’s parade and an NFL game; on odd-numbered years when CBS has the Dallas Cowboys game, the East Coast sees repeats of its daytime programs during the afternoons (on even-numbered when they have the Detroit Lions game, the West Coast programming is shuffled so that the extra time airs in late night hours). ABC has no daytime Thanksgiving specials; neither does FOX, although Fox also carries an NFL game.
In prime time, ABC currently airs A Charlie Brown Thanksgiving and “The Mayflower Voyagers” from This is America, Charlie Brown; until 2005 and again since 2008, A Charlie Brown Thanksgivingaired on Thanksgiving night (though in 2006 and 2007, the network moved this to the Monday before so that they could compete head-to-head with CBS, who airs regularly scheduled programming, in aratings war, as Thanksgiving lies within the November sweeps period). On Thanksgiving night, Fox usually carries a feature film; NBC’s programming varies each year. Additionally, some series have over time featured Thanksgiving-themed episodes and specials, including WKRP in Cincinnati’s famous episode “Turkeys Away”. Music specials by popular artists are popular in the days leading up to Thanksgiving and on Thanksgiving itself.
Cable stations usually carry marathons of their popular shows on Thanksgiving Day. The 1939 film version of The Wizard of Oz is often aired on Thanksgiving Day on Turner Broadcasting owned outlets (either TBS or Turner Classic Movies).
On the radio, the Friday before Thanksgiving has, in recent years, been the benchmark and standard date for adult contemporary music stations to switch over to full-time Christmas music.
Black Friday…. 
Black Friday is the day following Thanksgiving Day in the United States, traditionally the beginning of the Christmas shopping season. While the origin of the term is debated, it is today associated with special sales and promotions that retailers use to encourage shoppers to use the holiday weekend for shopping.
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Thanksgiving traditions
Every family has Thanksgiving traditions. In and of themselves, these traditions speak volumes about the family. Keeping traditions intact from generation to generation can prove to be a challenge for anyone, let alone the modern families of today,
When we settle into our seats to celebrate Thanksgiving, it can be easy to lose focus on what the holiday is all about.
It should be more than eating turkey. Or watching football on TV. Or getting up early to start our holiday shopping. Or sleeping in late. Or getting a day off from work.
True, those can be part of Thanksgiving, but there is a deeper meaning to the holiday.
It is about gratitude and hope — and being grateful for what we have, even if it seems small. If we look around us, there may be plenty of people who have it worse off than we do.
For those who are terminally ill, it could mean one last gathering with family and friends.
For those who have suffered a severe physical injury, it can be a chance to visit with family and friends that they normally might not see.
For a homeless person, it might mean being invited to share in a rare hot meal.
For those with aging parents, it can be a chance to celebrate one more Thanksgiving together.
For parents who have loved ones in the military, it may mean more time has gone by with no bad news from war zones.
For those who are serving in the military, it may mean a chance to visit with or at least talk to loved ones who have missed them.
Those who do not have such extreme circumstances should stop to think about what we have been given, and what we can give back.
If we are blessed with good fortune, the best thing we can do is share it with others.
Reach out to those who may be suffering and offer them a helping hand during their difficult time. Let them know you are there for them. You may find that helping others can offer a deeper meaning to your own lives.