The following is a personal interpretation based on a thesis proposed by Neil Howe and William Strauss in The Fourth Turning: An American Prophecy

Cycles of American History: The Four Turnings

Cultural Highs	Awakenings	Unraveling	Spark	Crisis	Crisis and Adjustment	Minorities	Events
Empire	Great Awakening 1730s - 1750s	Tax Revolt 1754 - 1774	Boston Tea Party December 1773	American Revolution 1775 - 1783	The Confederation [1777] 1781 - 1789	Slavery 1609 – 1861 Suffragette Movement 1840s - 1919	Domestic
New Republic 1789 - 1820	Transcendentalists 1820s - 1840s	Sectionalism 1845 - 1860	Harpers Ferry Raid October 1859	Civil War 1861 - 1865	Reconstruction 1865 - 1877		Domestic
.	Manifest Destiny 1820s - 1848			.	Indian Wars 1867 - 1893		Foreign
Gilded Age 1877 - 1901	Progressive Movement 1901 - 1920	Roaring Twenties 1920 – 1930	The Great Crash October 1929	Great Depression 1930 -1933	New Deal 1933 - 1941	Segregation &. Civil Rights 1890 - 1968 Women's Movement 1919 - 1968	Domestic
New Manifest Destiny - Imperialism 1880s - 1919		Isolationism 1919 - 1941	Pearl Harbor December 1941	World War II [1939] 1941 - 1945	Marshall Plan 1947 - 1950s		Foreign
Post War America 1946 - 1963	The Consciousness Revolution 1963 - 1984	The Culture Wars 1984 - 2005	2000 Election November 2000	Bailouts & Debt 2005 -	TBA		Domestic
Cold War 1946 - 1969	Détente 1969 - 1989	Uni-polarism 1989 - 2001	9 11 Attacks September 2001	The Islamic Wars 2005 -	TBA		Foreign