1492

Columbus lands… Start of Columbian Exchange

1607

Jamestown (start of English colonies in N. America)

1754

Start of French‑Indian War

1763

End 7 Years War… (start of rising tensions b/w Brit & Colonies)

1776

Declaration of Independence

1787

Constitution Written

1848

End of Mex‑Am War & start of major sectionalism

1860

Secession & Civil War starts

1865

Civil War ends

1877

End of Reconstruction… Jim Crow takes off

1898

Spanish‑American War… start of US imperialism

1901

Progressive Era starts (ish)

1917

US enters WWI

1929

Start of Great Depression

1941

Pearl Harbor & entrance to WWII

1945

End of WWII & start of Cold War

1989/1991

Cold War ends