History is both the study and the research
of major social, political, cultural, and economics events of the
past. Applying the results of historical study is important for the
preservation and future growth of nations and institutions. Knowledge
of the past can enable individuals to develop pride and appreciation
for the past accomplishments of others. In addition, a through
understanding of past problems and the strategies used to resolve them
can help humans to plan their present and future lives more
effectively. Historical study is normally divided into ancient,
medieval, or modern.