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  2. AP Human Geography - Wikipedia

    en.wikipedia.org/wiki/AP_Human_Geography

    Advanced Placement (AP) Human Geography (also known as AP Human Geo, AP Geography, APHG, AP HuGe, APHug, AP Human, HuGS, AP HuGo, or HGAP) is an Advanced Placement social studies course in human geography for high school, usually freshmen students in the US, culminating in an exam administered by the College Board. [1]

  3. Armour-piercing ammunition - Wikipedia

    en.wikipedia.org/wiki/Armour-piercing_ammunition

    Armour-piercing ammunition (AP) is a type of projectile designed to penetrate armour protection, most often including naval armour, body armour, and vehicle armour. [ 1 ] The first, major application of armour-piercing projectiles was to defeat the thick armour carried on many warships and cause damage to their lightly armoured interiors.

  4. Adams Synchronological Chart or Map of History - Wikipedia

    en.wikipedia.org/wiki/Adams_Synchronological...

    The design may have inspired later 'Maps of World History' such as the HistoMap by John B. Sparks, which chronicles four thousand years of world history in a graphic way similar to the enlarging and contracting nation streams presented on Adam's chart. Sparks added the innovation of using a logarithmic scale for the presentation of history.

  5. History of Earth - Wikipedia

    en.wikipedia.org/wiki/History_of_Earth

    The first eon in Earth's history, the Hadean, begins with the Earth's formation and is followed by the Archean eon at 3.8 Ga. [2]: 145 The oldest rocks found on Earth date to about 4.0 Ga, and the oldest detrital zircon crystals in rocks to about 4.4 Ga, [34] [35] [36] soon after the formation of the Earth's crust and the Earth itself.

  6. World history (field) - Wikipedia

    en.wikipedia.org/wiki/World_history_(field)

    World history or global history as a field of historical study examines history from a global perspective. It emerged centuries ago; some leading practitioners are Voltaire (1694–1778), Hegel (1770–1831), Karl Marx (1818–1883), Oswald Spengler (1880–1936), and Arnold J. Toynbee (1889–1975).

  7. Early human migrations - Wikipedia

    en.wikipedia.org/wiki/Early_human_migrations

    [60] [61] [62] It is this migration wave that led to the lasting spread of modern humans throughout the world. A small group from a population in East Africa, bearing mitochondrial haplogroup L3 and numbering possibly fewer than 1,000 individuals, [ 63 ] [ 64 ] crossed the Red Sea strait at Bab-el-Mandeb , to what is now Yemen , after around ...

  8. History of cartography - Wikipedia

    en.wikipedia.org/wiki/History_of_cartography

    Al-Idrīsī defined his maps differently. He considered the extent of the known world to be 160° in longitude, and divided the region into ten parts, each 16° wide. In terms of latitude, he portioned the known world into seven 'climes', determined by the length of the longest day. In his maps, many dominant geographical features can be found ...

  9. 4.2-kiloyear event - Wikipedia

    en.wikipedia.org/wiki/4.2-kiloyear_event

    In the Korean Peninsula, the 4.2 ka event was associated with significant aridification, measured by the large decline in arboreal pollen percentage (AP). [ 75 ] The Sannai-Maruyama site in Japan declined during the same period; [ 76 ] the growing population of the Jomon culture gradually turned to decline after that.