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  2. 1858 in science - Wikipedia

    en.wikipedia.org/wiki/1858_in_science

    The year 1858 in science and technology involved some significant events, listed below. Astronomy ... additional terms may apply. By using this site, ...

  3. Category:1858 in science - Wikipedia

    en.wikipedia.org/wiki/Category:1858_in_science

    Pages in category "1858 in science" ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  4. 1858 in paleontology - Wikipedia

    en.wikipedia.org/wiki/1858_in_paleontology

    Because humans have encountered fossils for millennia, paleontology has a long history both before and after becoming formalized as a science. This article records significant discoveries and events related to paleontology that occurred or were published in the year 1858.

  5. Mudsill theory - Wikipedia

    en.wikipedia.org/wiki/Mudsill_theory

    Mudsill theory is the proposition that there must be, and always has been, a lower class or underclass for the upper classes and the rest of society to rest upon.. The term derives from a mudsill, the lowest threshold that supports the foundation for a building.

  6. 1858 - Wikipedia

    en.wikipedia.org/wiki/1858

    1858 was a common year starting on Friday of the Gregorian calendar and a common year starting on Wednesday of the Julian calendar, the 1858th year of the Common Era (CE) and Anno Domini (AD) designations, the 858th year of the 2nd millennium, the 58th year of the 19th century, and the 9th year of the 1850s decade. As of the start of 1858, the ...

  7. Solar eclipse of September 7, 1858 - Wikipedia

    en.wikipedia.org/wiki/Solar_eclipse_of_September...

    A total solar eclipse occurred at the Moon's descending node of orbit on Tuesday, September 7, 1858, with a magnitude of 1.0210. A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby totally or partly obscuring the image of the Sun for a viewer on Earth.

  8. Category:1858 - Wikipedia

    en.wikipedia.org/wiki/Category:1858

    1858 in science (8 C, 7 P) 1858 in sports (10 C, 4 P) T. ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  9. Category:1850s in science - Wikipedia

    en.wikipedia.org/wiki/Category:1850s_in_science

    1855 in science; 1856 in science; 1857 in science; 1858 in science; 1859 in science; A. 1850 in archaeology; ... additional terms may apply. By using this site, ...