Why World History

World history is not a subject, but it is a memory of the experience around the world. In the memory of world history, it contains many records on human history, religious history, cultural history, and others. Human history contains many discoveries like how did human begin of Homo sapiens. Homo sapiens is a professional name for apes. Ancient human history began with the invention, independently at several sites on earth which created the infrastructure of lasting. Also human history was marked by a gradual accretion of many discoveries and inventions. Study of world history is the broadcast and most searching approach to the question of who humans are as individual, or as the members of a group. During the study of world history, all humans in the earth can see how humankind change by timing the human history. Human history had a lot of changes on the culture of human and behavior of human. For example, language of communication of writing and speaking for culture. Also to learn how to cook by the invention of fire by two rocks crashed together for the change of human behavior. Anyway, humans in the world are not only the citizens of their countries. Humans are the global citizens of the earth too. A global citizen is simply a national citizen who knows and cares about history and contemporary affairs of all humankind in some measure of thinking, speaking, and writing about many world issues and problems intelligently and confidently. We are humans, and we are global citizens.