Thanksgiving Day is a national day celebrated in Canada (second Monday of October) and
the United States (fourth Thursday of November). This day treat about giving thanks of the preceding year and the hasrvest.
Thanksgiving Day started in the year 1623. After the harvest crops were gathered in November 1623, Governor William Bradford told:
"All ye Pilgrims with your wives and little ones, do gather at the Meeting House, on the hill… there to listen to the pastor, and render Thanksgiving to the Almighty God for all His blessings."
This is the origin of this day. In the last years, the EE.UU congress proclaimed the Thanksgiving Day and the 1st November it was officially declared like a national day. Also, in 1795, George Washington declared it like the national Thanksgiving Day. In 1863, Abraham Lincoln also proclaimed this national day.
Like this, the Thanksgiving Day, Americans give thanks to God for his blessings and good things during the year.