Timeline of Discoveries of Cells, Viruses, and Diseases

  • 500

    Bubonic Plague hits Byzantine Empire

  • Period: Jan 1, 700 to

    Smallpox in Japan

    Smallpox becomes epidemic in Japan
  • Period: Jan 1, 1340 to Jan 1, 1360

    Black Death

    Bubonic plague takes out 1/3 of Europe's population
  • Period: Jan 1, 1500 to

    Smallpox in Europe

    Smallpox becomes an epidemic in Europe
  • Jan 1, 1520

    Smallpox is introduced to mainland North America

    Brought by the Spanish
  • First use of Microscope

    Robert Hooke first uses the microscope
  • Cells first observed

    Cells were first observed using a microscope by Anton van Leeuwenok
  • Period: to

    Cholera in India and SE Asia

  • Cholera brought to New World

  • Research begins on heredity

    Greg Mendel begins research on heredity
  • Cholera bacteria discovered

    by Pacini
  • Japanese Encephalitis Virus started

  • Cholera isolated

    Cholera isolated by Robert Koch
  • Spindle Fibers observed

    Spindle Fibers are first observed by Walter Fleming
  • Ross River Virus started

  • Krebs Cycle established

    the Krebs Cycle is established by Hans Krebs
  • Virus cristallized

    Wendell Stanley cristallizes the tabacco mosaic virus
  • Period: to

    Virus Replication discovered

    US scientists discover how viruses replicate
  • DNA model designed

    James Watson and Francis Crick design a DNA model
  • TB epidemic in Russia

  • Melvin Cycle discovered

    The Melvin cycle is discovered by Melvin Calvin
  • Last epidemic of Rubella in US

  • Rubella vaccine liscenced

  • Deep Sea Bacteria discovered

    John Edwards finds deep sea bacteria
  • Human Retrovirus discovered

    HTLV-1 is discovered
  • Smallpox Eradicated

  • Vaccine for TB

  • Chronic Kidney Disease discovered

    infected Joseph Smith