Thanksgiving Day 2024 History. America’s thanksgiving holiday, born in the 1500s, mythologized in 1621, and observed even during the bleakest hours of the civil war, now stands as one. Over the centuries, thanksgiving evolved into a national holiday, officially recognized by president abraham lincoln in 1863 as a day of national thanksgiving and.

To understand its origin and why we celebrate thanksgiving today, it is important to understand its roots by delving into the history behind thanksgiving. Thanksgiving day is an annual national holiday in the united states and canada celebrating the harvest and other blessings of the past year.