History is the recording accounting of events chronologicaly as they occured. The subject of history covers a broad area and relates to everything from the history of a person, group of people, an object, building, or locality. However, history is commonly classified chronologically, geographically, nationally, ethnically, and topically. People who focus or practice the art or science of studying history is called historians. Historians may study and analyze the history of a broad area of subjects, such as political figures and leaders, tribes and cultures, government, geological objects (oceans, mountains, or the earth in general), or an individual.