In the USA Thanksgiving Day started as a holiday of thanksgiving in the early days of the American colonies about 400 years ago. In 1620,a boat with more than 100 people sailed across the Atlantic Ocean to the New World.Their first winter was very difficult and half the colony died. The Native Americans showed them how to grow corn,how to hunt and fish. In the following years,many of the original colonists celebrated the autumn crops with a holiday of thanks.After the United States became an independent country,Congress introduced one Day of Thanksgiving for the whole nation to celebrate.It is observed on the fourth Thursday of November
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