National history refers to the study and documentation of a country's past, including significant events, cultural developments, and influential figures. It encompasses various aspects such as wars, treaties, social movements, and economic changes that have shaped the nation over time. Understanding national history helps citizens appreciate their heritage and identity. In many countries, national history is taught in schools and celebrated through holidays and monuments. Important documents, like constitutions and declarations, often play a crucial role in defining a nation's values and principles. National history also includes the contributions of diverse groups, reflecting the complexity of a nation's journey.