On July 26 , 1847 , it declared its independence .
Between 1821 and 1838 , the American Colonization Society developed the first settlement , which would be known as Liberia .
On July 26 , 1847 , Liberia declared Liberia 's independence .
Between 1821 and 1838 , the American Colonization Society developed the first settlement , which would be known as Liberia .