Map of the states and territories of the United States as it was from 1809 to April 1810. On March 1 1809, Illinois Territory was split from Indiana Territory. In April 1810, the Kingdom of Hawaii was unified.
{{Information| |Description=Map of the states and territories of the United States as it was from 1809 to April 1810. On March 1 1809, Illinois Territory was split from Indiana Territory. In April 1810, the Kingdom of Hawaii was unified. |Source= |Date= |