Encyclopedia > 820s

  Article Content

820s

Centuries: 8th century - 9th century - 10th century

Decades: 770s - 780s - 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s

Years: 820 821 822 823 824 825 826 827 828 829


Events:

Important people:



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Quadratic formula

... Generalizations The formula and its proof remain correct if the coefficients a, b and c are complex numbers, or more generally members ...

 
 
 
This page was created in 27 ms