1 1  U.S. drops atomic bomb  1945
2 3  Japan bombs Pearl Harbor 1941
3 2  Men first walk on the moon  1969
4 4  Wrights fly first airplane  1903
5 6  JFK assassinated in Dallas  1963
6 11  Antibiotic penicillin discovered  1928
7 5  U.S. women win the right to vote  1920
8 10  U.S. stock market crashes  1929
9 21  New polio vaccine works  1953
10 12  DNA's structure discovered  1953
11 7  Nazi Holocaust exposed  1945
12 19  Einstein conceives relativity  1905
13 36  'Unsinkable' Titanic sinks  1912
14 17  Ford creates assembly line  1913
15 8 World War I begins 1914
16 27  Berlin Wall falls  1989
17 51  First computer chip patented  1959
18 25  Deadly AIDS disease identified  1981
19 30  Lindbergh flies Atlantic alone  1927
20 52  Radio signal spans Atlantic  1901
21 13  Soviet Union dissolves  1991
22 32  World Wide Web invented  1989
23 24  Allies invade France on D-Day  1944
24 37  U.S. celebrates V-E Day  1945
25 42  ENIAC accelerates computing  1946
26 38  Roe vs. Wade legalizes abortion  1973
27 28  Official U.S. debut of TV  1939
28 46  Plastic revolutionizes products  1909
29 20  Birth control pill OK'd by FDA  1960
30 9  Court ends 'separate but equal'  1954
31 53  President Clinton impeached  1998
32 33  Scientists invent transistor  1948
33 23  M.L. King Jr. assassinated  1968
34 26  Congress OKs Civil Rights Act  1964
35 88  U.S. enters World War I  1917
36 16  Communists take over Russia  1917
37 40  U.S. radio broadcasts begin  1909
38 50  King delivers 'Dream' speech  1963
39 14  President Nixon resigns  1974
40 81  Panama Canal opens  1914
41 15  Germany invades Poland  1939
42 34  FDR's New Deal begins  1933
43 83  Shuttle Challenger explodes  1986
44 66  Shepard first American in space  1961
45 57  'Silent Spring' warns of eco-danger  1962
46 69  World's nations form U.N.  1945
47 79  Scientists clone sheep  1997
48 18  Soviets launch first satellite  1957
49 39  World War I ends  1918
50 60  Gagarin first man in space  1961
51 45  Israel achieves statehood  1948
52 43  U.S.-licensed TV begins  1941
53 48  U.S. tests atomic bomb  1945
54 55  Robert F. Kennedy slain  1968
55 22  Hitler named chancellor  1933
56 41  Flu epidemic kills 20 million  1918
57 90  Glenn first American in orbit  1962
58 97  Gates, Allen start Microsoft  1975
59 44  Robinson integrates baseball  1947
60 73  U.S. troops leave Vietnam  1973
61 78  Quantum mechanics proposed  1900
62 64  Secret project to make A-bomb  1942
63 80  Interstate highways approved  1956
64 65  GI Bill of Rights strengthened  1945
65 62  U.S. escalates Vietnam War  1965
66 71  Gandhi starts nonviolent reform  1920
67 95  First 'test-tube baby' born  1978
68 35  World crisis over Cuba missiles  1962
69 68  Quake, fire devastate S.F.  1906
70 49  Apartheid ends in South Africa  1993
71 31  Apple II first mass-market PC  1977
72 58  Beatles tour USA  1964
73 47  Alabama bus boycott begins  1955
74 99  Scopes: evolution vs creation  1925
75 61  First jet plane takes off  1939
76 93  Hitler launches 'Kristallnacht'  1938
77 76  FDR defeats President Hoover  1932
78 54  Marshall Plan unveiled  1947
79 92  Pathfinder sends Mars photos  1997
80 82  Friedan sparks women's rights  1963
81 89  Babe Ruth hits 60 home runs  1927
82 100  U.S. warns of smoking hazards   1964
83 94  Churchill leads Great Britain  1940
84 74  NATO established  1949
85 98  Chernobyl nuke plant explodes  1986
86 70  Berlin Wall goes up  1961
87 29  Mao starts communist China  1949
88 67  Watergate engulfs Nixon  1973
89 77  Gorbachev begins 'glasnost'  1985
90 86  Freud interprets dreams  1900
91 96  Airlift saves West Berlin  1948
92 84  U.S. defends South Korea  1950
93 75  Soviet famine to kill 25 million  1928
94 56  U.S. rejects League of Nations  1920
95 72  Standard Oil trust busted  1911
96 59  Congress passes voting act  1965
97 87  China's famine to kill 20 million  1958
98 85  Riots at Democratic convention  1968
99 63  North Vietnam takes Saigon  1975
100 91  Gulf of Tonkin Resolution OK'd  1964
 
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