Timeline of the Universe

- 13.740 billion years ago - Hot Big Bang

- 13.739 billion years ago

- 13.738 billion years ago - 1.5 million years

after the Big Bang - First clusters

of galaxies form

- 13 billion years ago - 30 million years after

- 12 billion years ago the Big Bang - First

- 11 billion years ago stars form

- 10 billion years ago

- 9 billion years ago

- 8 billion years ago - The Solar System

- 7 billion years ago forms

- 6 billion years ago

- 5 billion years ago

- 4 billion years ago - First simple life

- 3 billion years ago evolves

- 2 billion years ago - First plant life evolves

- 1 billion years ago

- 900 million years ago

- 800 million years ago

- 700 million years ago

- 600 million years ago

- 500 million years ago

- 400 million years ago

- 300 million years ago

- 200 million years ago

- 100 million years ago

- 10 million years ago

- 9 million years ago

- 8 million years ago

- 7 million years ago

- 6 million years ago - Chimps and

- 5 million years ago humans diverge

- 4 million years ago

- 3 million years ago

- 2 million years ago

- 1 million years ago

- 500,000 years ago

- 400,000 years ago

- 300,000 years ago

- 200,000 years ago

- 100,000 years ago

- 90,000 years ago

- 80,000 years ago

- 70,000 years ago

- 60,000 years ago

- 50,000 years ago

- 40,000 years ago

- 30,000 years ago

- 20,000 years ago

- 10,000 years ago

- 9,000 B.C.

- 8,000 B.C.

- 7,000 B.C.

- 6,000 B.C.

- 5,000 B.C.

- 4,000 B.C. - Sumerians make

- 3,000 B.C. constellation charts

- 2,000 B.C.

- 1,000 B.C.

- 900 B.C.

- 800 B.C.

- 700 B.C.

- 600 B.C.

- 500 B.C. Anaxagoras is born

- 400 B.C.

- 300 B.C.

- 200 B.C.

- 100 B.C.

- 0

- 100

- 200

- 300

- 400

- 500

- 600

- 700

- 800

- 900

- 1000

- 1100

- 1200

- 1300

- 1400

- 1500

- 1600

- 1610 - Galileo Galilei observes moons of

Jupiter, phases of Venus, craters

- 1620 on the moon and a buldge around

Saturn

- 1630

- 1640

- 1650

- 1660

- 1670

- 1680

- 1690 - John Locke publishes An Essay

Concerning Human Understanding

- 1700

- 1710

- 1720

- 1730

- 1740

- 1750 - Nicolas Louis de Lacaille filled the

gaps in constellation maps of the

- 1760 Southern sky

- 1770

- 1780

- 1790

- 1800

- 1810

- 1820

- 1830

- 1840

- 1850

- 1860

- 1870

- 1880

- 1890

- 1900

- 1900 - Max Planck

- 1901 discovers Planck's constant

- 1902 - Radioactive dating brought the

- 1903 Earth up to 3400 million years old

- 1904

- 1905

- 1906

- 1907 - Hermann Minkowski develops

- 1908 Minkowski spacetime

- 1909 - David Hilbert devises Hilbert space

- 1910

- 1911

- 1912

- 1913 - Niels Bohr presents Bohr model of

- 1914 the atom

- 1915

- 1916

- 1917

- 1918

- 1919

- 1920

- 1921

- 1922

- 1923 - Louis de Broglie shows all matter

- 1924 can be thought of as waves

- 1925 - Pauli devises exclusion principle

- 1926 - Werner Heisenberg publishes the

- 1927 Uncertainty Principle

- 1928 - Max Born develops probability

- 1929 interpretation to wave equation

- 1930 - Tombaugh discovers Pluto

- 1931

- 1932

- 1933

- 1934

- 1935

- 1936

- 1937

- 1938 - Friedrich Bessel measures parallax

- 1939

- 1940 - Jean-Paul Sartre publishes

- 1941 The Imaginary

- 1942

- 1943

- 1944

- 1945

- 1946

- 1947

- 1948 - Gamow and Alpher devise the

- 1949 Big Bang theory

- 1950 - Alan Turing proposes the

- 1951 Turing test

- 1952 - Poincaré develops theory of

- 1953 Pessimistic meta induction

- 1954

- 1955

- 1956

- 1957 - Sputnik 1, the first

- 1958 man-made object to

- 1959 orbit the Earth, is

- 1960 launched

- 1961

- 1962

- 1963

- 1964 - John S. Bell devises Bell's theorem

- 1965

- 1966 - Luna 9 is the first spacecraft to

- 1967 soft-land on the moon

- 1968 Apollo 11 lands on Moon and

- 1969 - Apollo 12 is launched

- 1970 - Apollo 13 is launched

- 1971

- 1972 - Apollo 16 and 17 is launched

- 1973

- 1974

- 1975

- 1976 - Nelson Goodman publishes

- 1977 Languages of Art

- 1978 - Two Pioneer spacecraft reach Venus

- 1979 - Pioneer 11 reaches Saturn

- 1980

- 1981 - Alan Guth proposes inflation theory

- 1982

- 1983

- 1984

- 1985

- 1986

- 1987

- 1988

- 1989

- 1990 - Noël Carroll publishes,

- 1991 The Philosophy of Horror: Or,

- 1992 Paradoxes of the Heart

- 1993

- 1994

- 1995

- 1996

- 1997

- 1998

- 1999

- 2000

- 2001

- 2002

- 2003

- 2004

- 2005

- 2006

- 2007

- 2008

- 2009

- 2010