Enjoy Amazing Offers This Thanksgiving on Digital Services For Your Business Thanksgiving is a popular holiday in the United States, celebrated on the fourth Thursday of November. The first Thanksgiving was celebrated in 1621 by the Pilgrims to mark their first harvest in the New World. The feast lasted for 3 days and was attended by 90 Native Americans and 53 Pilgrims. The first president George Washington made a request to the Congress and observed Thanksgiving for only the year 1789. However, Thomas Jefferson did not celebrate the holiday and it wasn’t observed until Abraham Lincoln came to power and declared it as a federal holiday in 1863. Ever since Thanksgiving has been celebrated and observed largely in the United States.