Question: When was the item that the Maryland Terrapins takes its team colors from adopted by the Maryland General Assembly?

Context paragraphs:
Maryland Terrapins football: The Maryland Terrapins football team represents the University of Maryland, College Park in the sport of American football.  The Terrapins compete in the Football Bowl Subdivision (FBS) of the National Collegiate Athletic Association (NCAA) and the Big Ten Conference.  The Terrapins joined the Big Ten Conference on July 1, 2014, following 62 years in the Atlantic Coast Conference as a founding member.  The Terrapins are currently coached by D. J. Durkin.  Since 1950, the Terrapins have played their home games at Maryland Stadium in College Park, Maryland with occasional home games from time to time in Baltimore, Maryland, making them one of two FBS football teams in the Baltimore–Washington metropolitan area (Navy Midshipmen) and the closest Football Bowl Subdivision team to Washington, D.C. The team's official colors of red, white, black, and gold have been in use in some combination since the 1920s and are taken from Maryland's state flag, and the Terrapins nickname — often abbreviated as "Terps" — was adopted in 1933 after a turtle species native to the state.  Maryland shares storied rivalries with Virginia and West Virginia.

Maryland Terrapins football statistical leaders: The Maryland Terrapins football statistical leaders are individual statistical leaders of the Maryland Terrapins football program in various categories, including passing, rushing, receiving, total offense, defensive stats, and kicking.  Within those areas, the lists identify single-game, single-season, and career leaders.  The Terrapins represent the University of Maryland, College Park in the NCAA's Big Ten Conference.

List of United States Senators from Maryland: This is a List of United States Senators from Maryland.  Maryland ratified the Constitution on April 28, 1788, becoming the seventh state to do so.  To provide for continuity of government, the framers divided Senators into staggered classes that serve six-year terms, and Maryland's Senators are in the first and third classes.  Before the passage of the Seventeenth Amendment to the United States Constitution in 1913, which allowed for direct election of Senators, Maryland's Senators were chosen by the Maryland General Assembly.  Until the assembly appointed George L. Wellington of Cumberland in 1897, Senators in class 3 were chosen from the Eastern Shore while Senators in class 1 were chosen from the remainder of the state.

Maryland state senate delegations: The Maryland Senate is the upper house of the Maryland General Assembly, the bicameral state legislature of the U.S. State of Maryland.  The Senate comprises 47 elected members from 47 single-member senatorial districts in the state.  The Maryland General Assembly is considered one of the oldest continually operating legislative bodies in the United States.  The current delegation consists of 35 Democrats (D) and 12 Republicans (R).

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

Maryland General Assembly elections, 2010: The Maryland General Assembly elections of 2010 took place on November 2, 2010, to choose the Delegates and Senators of the Maryland General Assembly.  The U.S. House election, 2010, U.S. Senate election, 2010, and Maryland gubernatorial election, 2010 occurred on the same day.  All 47 seats in the State Senate and 141 seats in the House of Delegates were contested.  Democrats successfully defended their current supermajorities in both chambers.  In this article, legislative districts are organized geographically rather than by number for ease of locating a delegation.

2007 Maryland Terrapins football team: The 2007 Maryland Terrapins football team represented the University of Maryland in the 2007 NCAA Division I FBS football season.  It was the Terrapins' 55th season as a member of the Atlantic Coast Conference (ACC) and its third within the framework of the ACC [Atlantic Division.  Ralph Friedgen led the team for his seventh season as head coach, and also performed the duties of offensive coordinator.  Chris Cosh served for the second season as the team's defensive coordinator.  Maryland lost three close games, but gained bowl eligibility with six wins.  In the postseason, the Terrapins lost to Oregon State in the 2007 Emerald Bowl.

Frank Fellows (basketball): Frank Fellows was the head coach of the Maryland Terrapins men's basketball team from 1967-1969.  He compiled a 16-34 record.  He never made an appearance in the NCAA tournament.  He was a player for the Maryland Terrapins men's basketball from 1950-1953.

Maryland Terrapins football under Jim Tatum: From 1947 to 1955, Jim Tatum served as the head coach of the Maryland Terrapins football team, which represented the University of Maryland in National Collegiate Athletic Association (NCAA) college football.  Maryland hired Tatum to replace Clark Shaughnessy after the 1946 season.  Tatum had created both success and controversy during his one season as head coach of the Oklahoma Sooners football team.  During his nine-year tenure, Tatum became one of the most successful head football coaches in Maryland history, and the Terrapins compiled two national championships, three conference championships, and five bowl game appearances.  His teams compiled a 73–15–4 record without a single losing season, and as of the end of 2016, he has the highest winning percentage of any Maryland football coach who coached at least seven games.  In 1954, the University of Maryland appointed a new president, Dr. Wilson Elkins, who chose to de-emphasize football.  Following the 1955 season, Tatum took a pay cut to coach at his alma mater, North Carolina, and he died four years later.

2003 Maryland Terrapins football team: The 2003 Maryland Terrapins football team represented the University of Maryland in the 2003 NCAA Division I FBS football season.  It was the Terrapins' 51st season as a member of the Atlantic Coast Conference (ACC).  Ralph Friedgen led the team for his third season as head coach, while Charlie Taaffe served as the third-year offensive coordinator and Gary Blackney as the third-year defensive coordinator.  Maryland finished the season with a 10–3 record.  The Terrapins received an invitation to the Gator Bowl, where they defeated West Virginia, 41–7, in what was a rematch of a regular season game.

Supporting paragraphs: Maryland Terrapins football Flag of Maryland
Answer: 1904