History of the world
The history of the world or human history is the history
History is the discovery, collection, organization, and presentation of information about past events. History can also mean the period of time after writing was invented. Scholars who write about history are called historians...

 of humanity from the earliest times to the present, in all places on Earth
Earth is the third planet from the Sun, and the densest and fifth-largest of the eight planets in the Solar System. It is also the largest of the Solar System's four terrestrial planets...

, beginning with the Paleolithic
The Paleolithic Age, Era or Period, is a prehistoric period of human history distinguished by the development of the most primitive stone tools discovered , and covers roughly 99% of human technological prehistory...

 Era. It excludes non-human natural history
Natural History
Natural history is the scientific study of plants or animals.Natural History may also refer to:In science and medicine:* Natural History , Naturalis Historia, a 1st-century work by Pliny the Elder...

 and geological history
The Quaternary Period is the most recent of the three periods of the Cenozoic Era in the geologic time scale of the ICS. It follows the Neogene Period, spanning 2.588 ± 0.005 million years ago to the present...

, except insofar as the natural world substantially affects human lives. World history encompasses the study of written records, from ancient times forward, plus additional knowledge gained from other sources, such as archaeology
Archaeology, or archeology , is the study of human society, primarily through the recovery and analysis of the material culture and environmental data that they have left behind, which includes artifacts, architecture, biofacts and cultural landscapes...