Update
YearEvent
c. 13.7 billion years ago

Go to Big Bang in A Dictionary of Space Exploration (3 ed.)

See this event in other timelines:

c. 12 billion years ago

Go to galaxy in World Encyclopedia (1 ed.)

See this event in other timelines:

c. 4.6 billion years ago

Go to Milky Way in A Dictionary of Space Exploration (3 ed.)

See this event in other timelines:


Go to sun in A Dictionary of Physics (6 ed.)

See this event in other timelines:

c. 500 BCE

Go to magnetite in A Dictionary of Chemistry (6 ed.)

See this event in other timelines:


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

See this event in other timelines:

c. 250 BCE

Go to Archimedes' principle in A New Dictionary of Eponyms (1 ed.)

See this event in other timelines:

1600

Go to magnetic pole in A Dictionary of Environment and Conservation (1 ed.)

See this event in other timelines:


Go to Gilbert, William (1540–1613) in A Dictionary of Earth Sciences (3 ed.)

See this event in other timelines:

1638

Go to Galileo Galilei (1564–1642) in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1646

Go to Pascal, Blaise (1623–1662) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1654

Go to Guericke, Otto von (1602–1686) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1665

Go to Newton, Sir Isaac (1642–1727) in World Encyclopedia (1 ed.)

See this event in other timelines:

1672

Go to Newton, Sir Isaac (1642–1727) in World Encyclopedia (1 ed.)

See this event in other timelines:

1676

Go to Cassini, Giovanni Domenico (1625–1712) in A Dictionary of Astronomy (2 rev ed.)

See this event in other timelines:

1678

Go to Huygens, Christiaan (1629–95) in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1687

Go to Newton, Sir Isaac (1642–1727) in World Encyclopedia (1 ed.)

See this event in other timelines:

1714

Go to Fahrenheit, (Gabriel) Daniel (1686–1736) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1742

Go to Celsius, Anders (1701–1744) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1745

Go to Leyden jar in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1752

Go to Franklin, Benjamin (1706–90) in World Encyclopedia (1 ed.)

See this event in other timelines:

1761
c. 1785

Go to Coulomb, Charles Augustin de (1736–1806) in World Encyclopedia (1 ed.)

See this event in other timelines:

1800

Go to Volta, Alessandro in Oxford Dictionary of English (3 ed.)

See this event in other timelines:

1803
1817

Go to Fraunhofer, Joseph von (1787–1826) in World Encyclopedia (1 ed.)

See this event in other timelines:

1820

Go to Ampère, André Marie (1775–1836) in World Encyclopedia (1 ed.)

See this event in other timelines:

1821

Go to Fresnel, Augustin Jean (1788–1827) in World Encyclopedia (1 ed.)

See this event in other timelines:

1827

Go to Ohm, Georg Simon (1787–1854) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1832
1842

Go to Doppler, Christian Johann (1803–1853) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1848
1851

Go to Foucault's pendulum in The Oxford Dictionary of Phrase and Fable (2 ed.)

See this event in other timelines:

1852
c. 1864
1878
1894
1895

Go to X-rays in The Oxford Companion to Medicine (3 ed.)

See this event in other timelines:

1896

Go to Becquerel, Antoine Henri (1852–1908) in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1897
1900

Go to quantum theory in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1902
1903
1905

Go to photoelectric effect in World Encyclopedia (1 ed.)

See this event in other timelines:


Go to special theory of relativity in A Dictionary of Astronomy (2 rev ed.)

See this event in other timelines:


Go to special theory of relativity in A Dictionary of Astronomy (2 rev ed.)

See this event in other timelines:

1906

Go to thermodynamics, laws of in The Oxford Dictionary of Phrase and Fable (2 ed.)

See this event in other timelines:

1908

Go to Geiger counter in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1909

Go to Millikan's oil-drop experiment in A Dictionary of Physics (6 ed.)

See this event in other timelines:

1911
1913

Go to Einstein, Albert (b. 14 Mar. 1879) in A Dictionary of Contemporary World History (3 ed.)

See this event in other timelines:



Go to Bohr, Niels Hendrik David (1885–1962) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:


1915

Go to relativity in World Encyclopedia (1 ed.)

See this event in other timelines:

1925

Go to Heisenberg, Werner Karl (1901–1976) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:


Go to Pauli, Wolfgang (1900–1958) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1927

Go to uncertainty principle in World Encyclopedia (1 ed.)

See this event in other timelines:

1930

Go to Pauli, Wolfgang (1900–1958) in Who's Who in the Twentieth Century (1 ed.)

See this event in other timelines:


1932

Go to neutron in A Dictionary of Chemistry (6 ed.)

See this event in other timelines:

1934

Go to Joliot-Curie, Irène (1897–1956) in Who's Who in the Twentieth Century (1 ed.)

See this event in other timelines:

1939

Go to fission, nuclear in World Encyclopedia (1 ed.)

See this event in other timelines:


Go to Einstein, Albert (1879–1955) in A Dictionary of World History (2 ed.)

See this event in other timelines:

1940
1942

Go to Manhattan Project in A Dictionary of World History (2 ed.)

See this event in other timelines:


1945

Go to Hiroshima in A Dictionary of Contemporary World History (3 ed.)

See this event in other timelines:

1946

Go to Bikini atoll in The Oxford Essential Dictionary of the U.S. Military (1 ed.)

See this event in other timelines:

1947

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

See this event in other timelines:

1949

Go to Joe One in The Oxford Essential Dictionary of the U.S. Military (1 ed.)

See this event in other timelines:

1950

Go to Teller, Edward (1908–2003) in The Oxford Companion to United States History (1 ed.)

See this event in other timelines:

1951
1952
1953

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

See this event in other timelines:

1964

Go to Penzias, Arno Allan (1933–) in A Dictionary of Scientists (1 ed.)

See this event in other timelines:

1974
1988
2008

Go to Large Hadron Collider in A Dictionary of Physics (6 ed.)

See this event in other timelines:


Go to Large Hadron Collider in A Dictionary of Physics (6 ed.)

See this event in other timelines:

2009

Go to Large Hadron Collider in A Dictionary of Physics (6 ed.)

See this event in other timelines:

2010

Go to antiparticle in A Dictionary of Physics (6 ed.)

See this event in other timelines: