PORTLAND, Ore. (KOIN) — Everyone knows Thanksgiving is celebrated near the end of November. But why?

History.com says: In 1621, the Plymouth colonists and Wampanoag Indians shared an autumn harvest feast that is acknowledged today as one of the first Thanksgiving celebrations in the colonies.

Turkey wasn’t on the menu, historians say. They feasted on lobster, seal and swans.

The act became a tradition for more than 200 years, and in 1863 President Abraham Lincoln proclaimed a national Thanksgiving Day to be held each November.

Here, now, a brief interactive look at the history of Thanksgiving: