While Maryland was never home of the "official" capital of the US, land from Maryland and Virginia formed the District of Columbia in July, 1790. The entire current site of Washington DC is land that was once Maryland.
Unofficial Capital
Congress, under the Articles of Confederation, held its sessions in Annapolis, Maryland, November 26, 1783 to June 3, 1784.
1927
1816
1585
in 1995
in 1821
In 1848.
1959
1824
1912
Buenos Aires become Argentina's capital in 1880.
Annapolis, MD - to discuss trade problems - known as the Annapolis convention.
Tallahassee was founded as the capital of the Florida Territory in 1824.