MAINE admitted into the Union,--March 15.
1821. MEXICO became independent of Spain,--Feb. 24.
MONROE began second presidential term,--March 5.
MISSOURI admitted into the Union,--Aug. 10.
1823. FLORIDA TERRITORY formed,--March 3.
"MONROE DOCTRINE" enunciated in the annual message,--Dec. 2.
1824. LAFAYETTE visited the United States.--Aug. 15.