1790
 
 
 
1790 Washington, D.C., founded as the capitol of the United States.
 
 
 
 
1791 The first ten amendments to the US Constitution - The Bill of Rights - are ratified.
 
 
 
 
1792
 
 
 
 
1793
 
 
  Erasmus Darwin (Charles' grandfather) publishes Zoonomia, or the Laws of Organic Life.
 
1794 Slavery abolished in the French colonies.
 
 
  James Hutton's Theory of the Earth published, interpreting certain geological strata as former sea beds. Hutton proposes geological theory of gradualism.
 
1795
 
 
 
 
1796 George Washington declines a third term as President, gives his Farewell Address.
 
 
 
 
1797 John Adams sworn in as the second president of the United States.
 
 
  Publication of Thomas Malthus' Essay on the Principle of Population, a work that Darwin asserted helped him frame the principle of evolution by natural selection.
 
1798
 
 
 
 
1799
 
 
 
1800