The Complete Timeline of American History
American history is not a single story but a sequence of arguments — about who belongs, who governs, and what the country owes its people. This timeline traces that sequence from the European arrival of the 1490s to the pandemic that closed out the 2010s, stopping at the moments that forced the nation to redefine itself. Each entry below links to a full account; together they form the spine of the American story, era by era.
Read top to bottom and a pattern emerges. Settlement gives way to revolution, revolution to a fragile union, the union to civil war, and the rebuilt republic to industrial power and global reach. Progress and reversal arrive together — a war for independence written by enslavers, a constitution that took eighty years to confront slavery, a century of expansion paid for by the people already living on the land. The dates anchor the events; the connections between them are the real history.
American history did not begin with the United States. These centuries cover the collision of peoples that followed European contact and the slow, uneven planting of colonies along the Atlantic coast.
In barely a quarter century the colonies broke from Britain, fought a war for independence, and designed a new kind of government. This is the founding compressed - from the first tax revolts to the Constitution.
The young nation doubled and redoubled in size, pushing west across the continent. These decades brought enormous growth and a deepening contradiction between a land of liberty and a land of slavery.
The contradiction broke into war. These years cover the conflict that ended slavery and the fraught attempt afterward to rebuild the South and bring the freed people into the nation as citizens.
Industry remade the country at dizzying speed - and the reformers who followed tried to tame what it had created. These decades brought railroads, immigration, and great fortunes, then the movements that pushed back against their excesses.
Economic collapse and global war defined this era and expanded the federal government to meet them. The country emerged from the Depression and the Second World War transformed and ascendant.
At home and abroad, these decades were defined by two long struggles - a global standoff with the Soviet Union and a domestic movement to make the nation's promises of equality real.
The most recent era opens with the Cold War won and the country the world's sole superpower - and runs through the new conflicts, technologies, and divisions that have shaped American life since.
This is the overview. To go deeper into the periods that shaped the country most, follow the American Revolution timeline, the full account of the Civil War, or the complete list of U.S. presidents in order.