When

• Yersinia Pestis

  14th Century (date of plague)
• Humoral Theory

  Refined in 2nd-3rd Centuries CE
• Germ Theory

  19th Century CE
• John Snow

  1855
• Robert Koch

  Late 1800s
• Quarantine

  14th Century (Plague)
• Variolation

  Beginning 1500s
• Edward Jenner

  1798 (inquiry)
• Francisco Javier Balmis

  1803
• WHO

  Founded in 1948
• Treaty of Tordesillas

  1494
• British East India Company

  Founded in 1600
• Dutch East India Company

  Founded in 1602
• Jamestown

  1607
• Saint Domingue

  1804 (Haitian Revolution)
• Free People of Colour

  1804 (Haitian Revolution)
• Code Noir

  1600s
• Estates General

  1789 (Beginning the French Revolution)
• Declaration of Rights of Man

  1789
• Indian Rebellion

  Mid 1800s
• 1st Opium War

  1839
• Tokugawa Period

  Lasted until 1868 (restoration)
• National Seclusion

  1600s to 1868 (restoration)
• Matthew Perry

  Mid 1800s
• Treaty of Nerchinsk

  Late 1600s
• Beard Tax

  1705
• Russo-Japanese War

  1904 to 1905