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The question of what constitutes history, and whether there is an effective method for interpreting recorded history, is raised in the philosophy of history as a question of epistemology. The study of different historical methods is known as historiography , which focuses on examining how different interpreters of recorded history create ...
The existential quantifier ∃ is often used in logic to express existence.. Existence is the state of having being or reality in contrast to nonexistence and nonbeing.Existence is often contrasted with essence: the essence of an entity is its essential features or qualities, which can be understood even if one does not know whether the entity exists.
Human history is the record of humankind from prehistory to the present. Modern humans evolved in Africa around 300,000 years ago and initially lived as hunter-gatherers . They migrated out of Africa during the Last Ice Age and had spread across Earth's continental land except Antarctica by the end of the Ice Age 12,000 years ago.
Ancient history covers all continents inhabited by humans in the period 3000 BC – AD 500, ending with the expansion of Islam in late antiquity. [1] The three-age system periodises ancient history into the Stone Age, the Bronze Age, and the Iron Age, with recorded history generally considered to begin with the Bronze Age. The start and end of ...
History is a wide field of inquiry encompassing many branches. Some branches focus on a specific time period. Others concentrate on a particular geographic region or a distinct theme. Specializations of different types can usually be combined. For example, a work on economic history in ancient Egypt merges temporal, regional, and thematic ...
The life expectancy among adults was much higher; [20] a 21-year-old man in medieval England, for example, could expect to live to the age of 64. [21] [20] However, in various places and eras, life expectancy was noticeably lower. For example, monks often died in their 20s or 30s. [22]
America Online CEO Stephen M. Case, left, and Time Warner CEO Gerald M. Levin listen to senators' opening statements during a hearing before the Senate Judiciary Committee on the merger of the two ...
Also eon. age Age of Discovery Also called the Age of Exploration. The time period between approximately the late 15th century and the 17th century during which seafarers from various European polities traveled to, explored, and charted regions across the globe which had previously been unknown or unfamiliar to Europeans and, more broadly, during which previously isolated human populations ...