• Bishop Ussher

    Bishop Ussher
    He calculated the creation of heaven and earth was in the year 4004 B.C.
  • Spontaneous Generation

    Spontaneous Generation
    The start of new instruments for magnification which fueled scientific research.
  • Linnaeus

    He created the Systema Naturae which divided kingdoms, classes, orders, genera and species.
  • Comte de Buffon

    Comte de Buffon
    He speculated that living creatures evolve according to natural law, he also suggested that humans and apes are related.
  • Natural Theology

    Natural Theology
    This viewed god through nature, it described that such perfect organs must have been designed by an intelligent designer.
  • Lamarck

    He proposed that living things evolve to become more complex through time. He also claimed that "vital forces" help creatures adapt to their environments.
  • Cuvier

    He argued that a series of catastrophies wiped out certain species and organisms in the past.
  • Lyell

    He argued that slow-moving, gradual processes explain Earth's geology. He became Charles Darwin's mentor.
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    Beagle Voyage

    Charles Darwin began his voyage to spend his life in the clergy but at the end of his trip he committed his life to science. He returned with fossils from South America and creatures of the Galapagos Islands.
  • Neanderthal

    The unearthing of a fossil skull that looked slightly human in Germany created a debate wether humans are direct descendants of Adam and Eve.
  • Wallace

    He wrote to Darwin seeking his help with a theory of how species might evolve, finding these realizations Darwin was provoked to publish his theory of Natural Selection.
  • Origin of Species

    Origin of Species
    Darwin published a wealth of evidence and a coherent theory for evolution.
  • Ape Debate

    Ape Debate
    Critics attacked Darwin with the theory of evolution that was proposed in "The Origin Of Species" since humans supposedly evolved too. Advocates of scientific progress exchanged a confrontation of this topic.
  • Evolution Accepted

    Evolution Accepted
    Evolution becomes mainstream science and magazines and newspapers begin to promote evolution
  • Descent of Man

    Descent of Man
    Darwin takes on human evolution. He stressed the importance of sexual selection in the evolution of life.
  • Horse Fossils

    Horse Fossils
    Thomas Huxley created a history of evolution with ancient horse fossils.
  • Darwin's Burial

    Darwin's Burial
    Darwin was buried in England near the grave of Sir Isaac Newton.
  • Radioactivity

    The discovery of radioactivity leads to stunning calculations for Earth's age. Rock-dating techniques estimated that Earth was about 4.3 million years old.
  • Piltdown Man

    Piltdown Man
    A fossil skull that was discovered is said to be the missing link in between humans and other primates.
  • First Anti-Evolution Bill

    First Anti-Evolution Bill
    William Jennings started to consider the proposal of anti-evolution bills. Two measures were passed.
  • Tennessee Law

    Tennessee Law
    The Tennessee legislature prohibited schools from teaching evolution.
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    Anti-Evolution Bills

    Anti-evolution bills were porposed in 20 states and laws were passed. A restriction to teaching evoluton was established.
  • Man-Like Ape

    Man-Like Ape
    A prehistoric man-like ape was found in South Africa with fossils that indicated that this clever ape killed a baboon.
  • Textbooks

    Biolog books remove references to evolution from Biology books from fears of loosing sales
  • Neo-Darwinism

    Scientists begin to understand that genetic mutations can cause changs in an organism's traits.
  • Evoluton Shunned

    Evoluton Shunned
    The teaching of evolution hits a low point.
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    Supreme Court

    Religion is banned from the government.
  • Pope Pius XII

    Pope Pius XII
    Evolution is considered a serous hypothesis worthy of further studies and accepted by the Pope.
  • Origins of Life

    Origins of Life
    A graduate produces amino acids which indicated that life on Earth could start with a natura process.
  • DNA

    The discovery of DNA and how genes work with it.
  • Humans and Apes

    Humans and Apes
    DNA of apes and humans is compared and various similarities are found.
  • Supreme Court on Evolution

    Supreme Court on Evolution
    Teachers launch a case in favor of evolution and the supreme court eventually approves the teaching of evolution.
  • DNA Codes

    DNA Codes
    DNA offers new evidence of evolution.
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    Textbook Disclaimers

    Schools must inform students that evolution is not intended to influence the beliefs of the biblical version of the creation before teaching evolution
  • Pope John Paul II

    Pope John Paul II
    He endulged the theory of evolution with compliments and accepted it.
  • Science Standards

    Science Standards
    A study showed that 19 states were teaching evolution poorly, twelve states shunned the word evolution and four avoid the subject of evolution completely.
  • Human Genome

    Human Genome
    Scientists see how intimately humans are related to other life on earth.