Communication in History: The Key to Understanding


Each year, National History Day® frames students’ research within a historical theme. The theme is chosen for broad application to world, national, or state history and its relevance to ancient history or to the more recent past. The 2020-2021 theme is Communication in History: The Key to Understanding.

2021 Theme Introduction Video





Here is National History Day Executive Director Cathy Gorn with a look ahead to the 2021 theme, Communication in History: The Key to Understanding:



Helpful Links
Partner Resources for Research

Creating a Project

Student Resources

Project Categories

Project Examples



See past annual themes.

2021 Contest Theme Book

Download the Communication in History: The Key to Understanding theme book.

2021 Theme Graphic Organizer

This DECODE graphic organizer helps students examine historical context within the theme Communication in History: The Key to Understanding.

NHD Contest Rule Book

Download the NEW National History Day Contest Rule Book, effective with the beginning of the 2020-2021 contest year.