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.

Related posts:
– The United States of America Territorial Expansion (1783 – 1898)
– Historical Maps of the United States and North America