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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.

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Student Guide to Counting Words for Website

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Student Guide to Counting Words for Website

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NHD Quick Tip: Cultural Appropriation (Performing Perspectives Series)

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National History Day Rules: General Rules for All Categories

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The Chicago Manual of Style, 17th Edition

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Find it. Write it. Cite it. The Chicago Manual of Style Online is the venerable, time-tested guide to style, usage, and grammar in an accessible online format. ¶ It is the indispensable reference for writers, editors, proofreaders, indexers, copywriters, designers, and publishers, informing the editorial canon with sound, definitive advice.

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MLA Formatting and Style Guide - Purdue OWL® - Purdue University

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MLA (Modern Language Association) style is most commonly used to write papers and cite sources within the liberal arts and humanities. This resource, updated to reflect the MLA Handbook (9th ed.), offers examples for the general format of MLA research papers, in-text citations, endnotes/footnotes, and the Works Cited page.

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Not understanding what "multiple perspectives" means or how to add to "wide research"? Check out these NHD Quick Tips!

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Not understanding what "multiple perspectives" means or how to add to "wide research"? Check out these NHD Quick Tips!

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NHD Quick Tip: What is Historical Context?

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NHD Quick Tip: Why Include Multiple Perspectives?

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National History Day Rules: Documentary Category

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National History Day Rules: Exhibit Category

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National History Day Rules: Performance Category

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National History Day Rules: Website Category

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National History Day Rules: Paper Category

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NHD Quick Tip: Harmful Stereotypes (Performing Perspectives Series)

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NHD Quick Tip: Researching Clothing (Performing Perspectives Series)

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NHD Quick Tip: What NOT to do in your NHD performance (Performing Perspectives Series)

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You are required to submit photos of your exhibit at the registration deadline. You DO NOT have to type out the text on your board, but the photos should be clear and legible. Please view the guide below for examples.

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Take a look at your own work and self-score. What can you improve to move your score? 

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Take a look at your own work and self-score. What can you improve to move your score? 

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- Look at the language closely.

- Are you violating any rules?

- What feedback from your teacher and peers can you use with this rubric to improve your work?

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2026 National History Day Theme Video: Revolution, Reaction, Reform in History

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You are required to submit a recording of your dress rehearsal at the registration deadline. This is only unedited footage of your performance. Please view the guide below for further details.

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NHD: Finding, Analyzing, and Constructing History: A Research Guide for Students

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NHD: Finding, Analyzing, and Constructing History: A Research Guide for Students

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NHDWebCentral - Registering as an Individual Website

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2026 Southeast Regional Student Registration Guide

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2026 North Middle Student Registration Guide

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2026 Northeast Student Registration Guide