Flag of Maryland

U.S. state flag based on a flag flown under British rule

The official flag of the state of Maryland consists of the heraldic banner of George Calvert, Lord Baltimore (1579–1632). The flag was officially adopted by the Maryland General Assembly in 1904.

State of Maryland
Flag of Maryland.svg
UseCivil and state flag Small vexillological symbol or pictogram in black and white showing the different uses of the flag
AdoptedNovember 25, 1904; 117 years ago (1904-11-25)[1]
DesignHeraldic banner of George Calvert, 1st Baron Baltimore


  1. State of Maryland (1904). Chapter 48. Acts of 1904. Maryland: State of Maryland. effective March 9, 1904