Map of the United States from the Colonial era to the present day
States and territories of the United States of America from the colonial era to the present day.
Five of the largest expansion events was in U.S. history:
1. Louisiana Purchase (1803)
2. Adams–Onís Treaty (1819)
3. Texas Annexation (1845)
4. Mexican Cession (1848)
Territorial evolution of the U.S.
– The United States of America Territorial Expansion (1783 – 1898)
– Historical Maps of the United States and North America
Political map of the Americas in 1794
This is great to know how the country developed over time.