Revolution, Reaction, Reform in History
The 2025-26 National History Day® theme is "Revolution, Reaction, Reform in History." Though students can choose a topic from any geographical region in the world and time period, they should pick a topic that ties to this theme and show that connection in their project. Explore the resources on this page for topic ideas and guidance on how to examine a revolution in history.
2025-26 Annual Theme Video
Revolution, Reaction, Reform in History
2025-26 Annual Theme Book
NHD Topic Tip Videos
Choosing a World History Topic
Check out this video for tips on how to overcome some common barriers with international topics and where to look for ideas and sources.
Choosing an Ancient History Topic
Check out this video for tips on how to overcome some common barriers with ancient history topics and where to look for ideas and sources.
Choosing a European History Topic
Check out this video for tips on how to overcome some common barriers and where to look for ideas and sources.
Choosing a Local History Topic
Check out this video for tips on how to overcome some common barriers and where to look for ideas and sources.