Thanksgiving Day is a United States national holiday celebrated annually on the fourth Thursday of November. ... The date of US Thanksgiving differs from Thanksgiving Day in Canada, where it is celebrated on the second Monday of October. See also: 2019 calendar showing all US federal. I'm sure you know all this about Thanksgiving, what you might not know is that, although it is a wonderful holiday celebrated by many it's appearance here really only serves to fill this area on the page.