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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 populated most of the Earth by the end of the Ice Age 12,000 years ago.
World history is the study of major civilizations over the last 3000 years or so. World history is primarily a teaching field, rather than a research field. It gained popularity in the United States, [80] Japan [81] and other countries after the 1980s with the realization that students need a broader exposure to the world as globalization proceeds.
The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...
Ancient history is a time period from the beginning of writing and recorded human history through late antiquity. The span of recorded history is roughly 5,000 years, beginning with the development of Sumerian cuneiform script and continuing until the expansion of Islam in late antiquity. Ancient history covers all continents inhabited by ...
Therapists often try to treat existential crises by helping their patients discover meaning in life. An important distinction in this regard is the difference between personal meaning and cosmic meaning. [252] [254] In the cosmic sense, the term "meaning of life" refers to the purpose of the world as a whole or why we are here. One way to solve ...
World history or global history as a field of historical study examines history from a global perspective. It emerged centuries ago; leading practitioners have included Voltaire (1694–1778), Hegel (1770–1831), Karl Marx (1818–1883), Oswald Spengler (1880–1936), and Arnold J. Toynbee (1889–1975). The field became much more active (in ...
Civilizations are organized densely-populated settlements divided into hierarchical social classes with a ruling elite and subordinate urban and rural populations, which engage in intensive agriculture, mining, small-scale manufacture and trade. Civilization concentrates power, extending human control over the rest of nature, including over ...
A key concept for the study of history and public life in most societies regardless of topic, historical significance makes judgements about what is important to be remembered about the past and why, through its reflections on historical aspects to contemporary culture and society [14] including historical reputations, events, issues, [15] monuments, [16] and what is chosen to be emphasized in ...