Read the following passage, and answer the questions that follow
THANKS GIVING DAY
Thanksgiving is a national holiday celebrated in Canada and the United States as a day of giving thanks for the blessing of the harvest and the New Year. It is celebrated on the second Monday of October in Canada and on the fourth Thursday of November in the United States. The first Thanksgiving celebration was held in 1621. Traditional foods are turkey, sweet potatoes, fruits and vegetables. Many people have pumpkin pie for dessert at the end of the meal. It is the time for counting our blessings we have received during the year and being with our families and friends.
When is the first Thanksgiving celebrated?
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Đáp án: The first Thanksgiving celebration was held in 1621.