This document summarizes the 2010 National History Day event held in College Park, Maryland from June 12-17, 2010. It provides details about activities for Nevada participants, including a pizza party, group exhibits, and tours of Washington DC landmarks. The document also discusses research on the benefits of participating in National History Day, such as improved research, writing, and critical thinking skills. Finally, it provides potential topic ideas for Nevada students related to the 2010 theme of "Debate and Diplomacy in History" and resources for research.