30 Maret 1822: Teritori Florida dibentuk dari lahan yang diserahkan Spanyol
Referensi
↑"President James Monroe, 1821". Joint Congressional Committee on Inaugural Ceremonies. Diarsipkan dari asli tanggal 2009-01-20. Diakses tanggal January 23, 2009.
Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company.
Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company.