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  1. Steamboat (11603 bytes)
    15: ... is unclear. River boatmen took exception to the threat to their trade, and smashed it up.
    25: ...en called the [[PS Clermont|''Clermont'']]). In [[1807]] this steamboat began a regular passenger boat s...
  2. African American (19830 bytes)
    15: ...th from [[1607]] until the [[19th century]]. In [[1807]], slave importation was nominally outlawed but t...
    26: ...an Americans also have higher prevalence of some chronic health conditions relative to the general pop...
    54: ... ''traceable amount rule'', and [[anthropology|anthropologists]] call it the ''hypo-descent rule'', me...
    60: Additionally, throughout U.S. history, very fair persons with strai...
    66: ...scribe indigenous Africans and their descendants throughout the African diaspora. As with most descrip...
  3. Lewis and Clark Expedition (11755 bytes)
    9: ...he [[Columbia River]], past [[Celilo Falls]] and through what is now [[Portland, Oregon]] until they r...
    30: *Made themselves heroes throughout the country and big names in Early America...
    48: *Private [[Joseph Field]] (ca. 1772 – 1807)
    77: ...dst magnificent scenery, and a difficult passage through the snow clad [[Bitterroot Mountains]] of Wes...
    112: ...Zebulon Pike]] (as in [[Pikes Peak]]) who in 1805-1807 traveled from the upper [[Mississippi River]] dow...
  4. List of mathematicians (37424 bytes)
    10: *[[Shreeram Shankar Abhyankar]] ([[1930]] - )
    47: *[[George Atwood]] (Britain, [[1746]] - [[1807]])
    93: *[[Harald Bohr]] ([[Denmark]], [[1887]] - [[1951]])
    157: *[[Elwin Bruno Christoffel]] [[Germany]] ([[1829]]-[[1900]])
    227: *[[Charles Ehresmann]] (France, [[1905]] - [[1979]])
  5. List of astronomers (40322 bytes)
    40: *[[Christoph Arnold]] ([[Germany]], [[1650]] – [[1...
    79: *[[Alfred Bohrmann]] ([[Germany]], [[1904]] – [[2000]])
    114: *[[Richard Christopher Carrington]] ([[Britain]], [[1826]] &ndas...
    129: *[[James Christy]] ([[United States|USA]], [[1938]] – )
    202: *[[Charles Fehrenbach (astronomer)|Charles Fehrenbach]] ([[France]], [[1914]] – )
  6. Rail transport (15539 bytes)
    17: ...ult, and because securing the tracks as they run through cities and the countryside is impractical.
    51: ...s built between [[Swansea]] and [[Mumbles]]. In [[1807]] this railway started carrying fare-paying passe...
    53: ...ort. Railways soon spread throughout Britain and through the world, and became the dominant means of l...
    55: ...]] in [[1826]] may have been the first to evolve through continuous operations into a [[common carrier...
    79: [[Image:Three rail tracks 350.jpg|250px|thumb|right|[[Rail tr...
  7. Georg Wilhelm Friedrich Hegel (15483 bytes)
    5: ...]] and the objective idealist [[Schelling]]. The three watched the unfolding of the [[French Revolutio...
    19: ..., Hegel is stating, albeit in difficult turns of phrase, that [[metaphysics]] should be concerned with...
    33: ...c]] often appears broken up for convenience into three moments called "thesis" (in the French historic...
    38: ...ive that Hegel brought to everything, and partly through increasing recognition of the importance of h...
    42: ...n]]: "I saw the Emperor - that world-soul - ride through the town to reconnoitre. It is indeed a stra...
  8. List of philosophers (79981 bytes)
    50: *[[Alexander of Aphrodisias]], (2nd century){{fn|C}}{{fn|R}}
    145: *[[Christoph Gottfried Bardili]], (1761-1808)
    218: *[[Niels Bohr]], (1885-1962){{fn|O}}{{fn|R}}
    347: *[[Christine de Pizan]], (c. 1365-c. 1430){{fn|R}}
    348: *[[Andrea Christofidou]]
  9. July 24 (8660 bytes)
    12: ...d from prison in [[Austin, Texas]] after serving three years for [[embezzlement]] from a bank.
    24: ...US vice-president [[Richard Nixon]] and [[Nikita Khrushchev]] have a "kitchen debate."
    25: ...lanes in the war. One is shot down and the other three sustain damage.
    31: ...narch]] in history to regain [[political power]] through democratic [[election]] to a different office...
    37: ...725]] - [[John Newton]] cleric and hymnist (d. [[1807]])
  10. Ottoman Empire (15917 bytes)
    47: ... of Europe felt threatened by its steady advance through the [[Balkan Peninsula|Balkans]]. At its heig...
    53: ...ed in the middle of East and West and interacted throughout its six-century history with both the [[Ea...
    59: Through a series of reforms, the empire continued to ...
    66: ...defeated by the [[Allies]] in the [[Balkans]], [[Thrace]], [[Syria]], [[Palestine]] and [[Iraq]] and ...
    76: ...res and religions, especially as compared to the Christian West. Early on the Turks drove the Byzantin...
  11. History of Germany (53864 bytes)
    13: Between 800 and 70 BC the Germanic peoples thrust into [[Celts|Celtic]] territory from [[Schlesw...
    17: ...obardi. Around 260 AD, the Germans finally broke through the Limes and the Danube frontier.
    19: ...and. The mingling of Germanic traditions and the Christian religion gave rise to the pattern of life o...
    23: ...r Papal authority were established to spread the Christian faith in the German lands.
    37: ...winning the Langobardic (Lombard) crown. Outside threats to the kingdom were contained when in 955 the...
  12. War of 1812 (34444 bytes)
    70: ... 5px; background: #ECECEC;" |[[Orders in Council (1807)]]
    72: ...ont-size: 90%; padding: 0 5px;" |[[Embargo Act of 1807]]
    88: ...three and carrying off four "deserters", of whom three were Americans who had been impressed into the ...
    90: ...s Jefferson]] responded with the [[Embargo Act of 1807]], which prohibited American ships from sailing t...
    92: ...or an invasion of British [[Canada]] to end this threat.
  13. Daniel Webster (10835 bytes)
    11: ...gal practice in [[Boscawen, New Hampshire]]. In [[1807]] his father took over the Boscawen firm when Web...
    25: ...ayne-speech.html] in which he uttered the famous phrase, "liberty and Union, now and forever, one and ...
    27: ...on the National Bank. In 1836 Webster was one of three [[United States Whig Party|Whig party]] candida...
    37: ...Compromise of 1850]], thereby repulsing Southern threats of [[secession]] while urging Northern suppor...
    43: ...bster must have passed, as indeed he had died at three in the morning. The sea, the rocks, the woods, ...
  14. Potassium (12496 bytes)
    46: ... </td><td>336.53 [[Kelvin|K]] (146.08 ?[[Fahrenheit|F]])</td></tr>
    126: ...sium cyanide|cyanide]], [[potassium dichromate|dichromate]], [[potassium hydroxide|hydroxide]], [[pota...
    129: Potassium was discovered in [[1807]] by Sir [[Humphry Davy]], who derived it from [[caustic potash]] (...
    138: ... in a process that has changed little since [[Humphry Davy|Davy]]. Thermal methods also are employed i...
    142: ... non-synthetic form of potassium are composed of three isotopes: K-39 (93.3%), K-40 (0.01%) and K-41 (...
  15. Ruthenium (10241 bytes)
    63: | 2607 [[Kelvin|K]] (4233 ?[[Fahrenheit|F]])
    160: This metal can be plated either through [[electrodeposition]] or by thermal decomposi...
    172: Some ruthenium complexes absorb light throughout the visible spectrum and are being activel...
    177: ...d any unusual metals, but Osann thought he found three new metals and named one of them ruthenium.
    179: ...ich he called ''vestium'') from platinum ores in 1807. However his work was never confirmed and he late...
  16. Sodium (8714 bytes)
    71: ... isolated until [[1807]] by Sir [[Humphry Davy]] through the [[electrolysis]] of [[caustic soda]]. In ...
    74: ...nt alkali metal. It is now produced commercially through the [[electrolysis]] of completely dry fused ...
  17. Gong (10121 bytes)
    1: ...term is Malayu-Javanese in origin but widespread throughout Asia. The instrument itself appears to hav...
    3: ...l suspended vertically by means of a cord passed through holes near to the top rim. '''Bowl gongs''' a...
    79: ...succession of [[pitch (music)|tone]]s, sometimes shrill, sometimes deep. In China and [[Japan]] it is ...
    81: ...strument in the scene of the resurrection of the three nuns in ''Robert le diable.'' Four tam-tams are...
  18. Mandrill (3466 bytes)
    12: ...author = [[Frederic Cuvier|F. Cuvier]] | date = [[1807]]}}
    25: ...ally born in Jan-April. However, Mandrills mate throughout the year during the estrus cycle, which oc...
  19. Timeline of chemical element discovery (10490 bytes)
    16: ...an times, however it is usually credited to Hans Christian زsted in 1825 (see [[Aluminium#History|his...
    53: **[[Chromium]] discovered by [[Nicolas-Louis Vauquelin]]
    67: *[[1807]]
    68: **[[Potassium]] discovered [[Humphry Davy]]. From the [[Latin]] word ''kalium''.
    69: **[[Sodium]] discovered [[Humphry Davy]]. From the [[Latin]] word ''natrium'' (sod...
  20. Timeline of railway history (5902 bytes)
    9: *[[1807]] First paying passenger service on the Oystermou...
    13: ...construction begins in Britain, and then spreads throughout the world. The Railway age begins.
    28: ...ines in the [[Middle East]] was built between [[Tehran]] and [[Ray, Iran|Rayy]] in [[Iran]].
    31: ...Railway Watch official guidelines for [[Railroad chronometers]].

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