The Great Power Battle Between States and National Government.

Events

1776
Approx. 1788
1791
1801 - 1835
Approx. 1819
1824
1832
1833
1836
1857
1865 - 1870
1877
1908
1913
1913
1932
1932 - 1939
1936
1953 - 1969
1963
1964
1980 - 1989
1980
1981
1981
1986 - 2005
1994
1995
1996
2000
2005 - Present
2010