YearEvent
c. 3 billion years ago

Go to endosymbiont theory in A Dictionary of Biology (6 ed.)

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1 billion years ago

Go to Ediacaran fossils in A Dictionary of Earth Sciences (3 ed.)

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c. 500 million years ago

Go to Ordovician in A Dictionary of Earth Sciences (3 ed.)

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c. 400 million years ago

Go to Psilophytales in A Dictionary of Plant Sciences (2 ed.)

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c. 350 million years ago

Go to insects in The Oxford Companion to the Earth (1 ed.)

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c. 340 million years ago

Go to Amphibia in A Dictionary of Biology (6 ed.)

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c. 300 million years ago

Go to Reptilia in A Dictionary of Biology (6 ed.)

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c. 225 million years ago

Go to dinosaur in World Encyclopedia (1 ed.)

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c. 170 million years ago

Go to mammal in World Encyclopedia (1 ed.)

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c. 150 million years ago

Go to Archaeopteryx in A Dictionary of Genetics (7 ed.)

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c. 125 million years ago

Go to Archaeopteryx in A Dictionary of Genetics (7 ed.)

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c. 65 million years ago

Go to dinosaur in World Encyclopedia (1 ed.)

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Go to mammal in World Encyclopedia (1 ed.)

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c. 45 million years ago

Go to Primates in A Dictionary of Biology (6 ed.)

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c. 15 million years ago

Go to Simiiformes in A Dictionary of Zoology (3 ed.)

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c. 6 million years ago

Go to Paranthropus in A Dictionary of Zoology (3 ed.)

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c. 4.5 million years ago

Go to hominid in A Dictionary of Biology (6 ed.)

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c. 4.4 million years ago

Go to Ardi in New Oxford American Dictionary (3 ed.)

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c. 3.2 million years ago

Go to Australopithecine in A Dictionary of Genetics (7 ed.)

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c. 2.2 million years ago

Go to Homo in A Dictionary of Genetics (7 ed.)

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c. 570 BCE

Go to Anaximander (611–c.547 bc) in World Encyclopedia (1 ed.)

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c. 380 BCE

Go to four humours in The Oxford Dictionary of Philosophy (2 rev ed.)

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c. 300 BCE

Go to Theophrastus (c. 372 bc–287 bc) in A Dictionary of Scientists (1 ed.)

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1530

Go to Brunfels, Otto (c.1489–1534) in The Oxford Dictionary of the Renaissance (1 ed.)

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1560

Go to physic garden noun in Oxford Dictionary of English (3 ed.)

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1596

Go to Bauhin, Gaspard (1550–1624) in A Dictionary of Plant Sciences (2 ed.)

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1661

Go to Malpighi, Marcello in Oxford Dictionary of English (3 ed.)

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1674

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1677

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1686

Go to Ray, John (1607–1705) in The Oxford Companion to British History (1 rev ed.)

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1735

Go to Linnaeus, Carolus (1707–78) in A Dictionary of Plant Sciences (2 ed.)

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1809

Go to Lamarck, Jean Baptiste de in Oxford Dictionary of English (3 ed.)

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1811
1812

Go to Cuvier, Georges, Baron (1769–1832) in World Encyclopedia (1 ed.)

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1831
1835

Go to Dujardin, Félix (1801–1860) in A Dictionary of Scientists (1 ed.)

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1836
1843

Go to Agassiz, Jean Louis Rodolphe (1807–1873) in A Dictionary of Scientists (1 ed.)

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1851

Go to Apiculture in The Oxford Encyclopedia of Economic History (1 ed.)

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1854

Go to Mendel, Gregor Johann (1822–84) in World Encyclopedia (1 ed.)

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1856

Go to Neanderthal man in The Concise Oxford Dictionary of Archaeology (2 ed.)

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1857

Go to Elysium in World Encyclopedia (1 ed.)

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1858
1859
1865

Go to Mendel, Gregor Johann (1822–84) in A Dictionary of Zoology (3 ed.)

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1883
1903

Go to Pavlov, Ivan Petrovich (1849–1936) in A Dictionary of Animal Behaviour (1 ed.)

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1905

Go to syphilis in A Dictionary of Public Health (1 ed.)

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1906
1909

Go to Landsteiner, Karl (1868–1943) in A Dictionary of Scientists (1 ed.)

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1910

Go to Morgan, Thomas Hunt (1866–1945) in A Dictionary of Scientists (1 ed.)

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1914

Go to Passenger Pigeon in The Oxford Encyclopedia of Food and Drink in America (1 ed.)

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1922

Go to Banting, Sir Frederick Grant (1891–1941) in A Dictionary of Scientists (1 ed.)

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1925

Go to Evolution and Creation Science in The Oxford Companion to the Supreme Court of the United States (2 ed.)

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1927

Go to Frisch, Karl von (1886–1982) in A Dictionary of Scientists (1 ed.)

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1928
c. 1935

Go to Lorenz, Konrad Zacharias (1903–1989) in Who's Who in the Twentieth Century (1 ed.)

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1937

Go to Krebs cycle in A Dictionary of Public Health (1 ed.)

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c. 1948

Go to Skinner box in The Oxford Companion to the Mind (2 ed.)

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1949

Go to Frisch, Karl von (1886–1982) in A Dictionary of Zoology (3 ed.)

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1953

Go to double helix in The Oxford Companion to the History of Modern Science (1 ed.)

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1963

Go to Carson, Rachel (1907–1964) in The Oxford Companion to United States History (1 ed.)

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1974

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1983

Go to Montagnier, Luc (1932–) in A Dictionary of Scientists (1 ed.)

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1984
1985

Go to Human Genome Project in A Dictionary of Genetics (7 ed.)

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1986
1990
1994

Go to Ardi in New Oxford American Dictionary (3 ed.)

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1996
1999

Go to human genome project in The Oxford Companion to the History of Modern Science (1 ed.)

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2000

Go to Human Genome Project in A Dictionary of Genetics (7 ed.)

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2010

Go to genome in A Dictionary of Biomedicine (1 ed.)

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