Maryland History: Statehood, the Old Line State, and Its Flag

Maryland's state-birthday date is April 28, 1788, when its convention ratified the United States Constitution, seventh among the original states. That familiar date, recorded by the U.S. Senate, marks entry into the new federal constitutional system. It does not mean Maryland first acquired a state government that morning: independence and its first state constitution had come in 1776.

Maryland's longer story runs from Indigenous Chesapeake communities through colonial settlement, the American Revolution, slavery and emancipation, industrial growth, military service, civil-rights struggles, and the work of protecting the Bay. Its flag adds a remarkable second timeline. The quartered design draws on colonial family arms, but the state adopted the modern flag in 1904, after the Civil War had given its colors sharply different associations.

Dates to distinguish: Colonial charter: 1632. Calvert settlers arrive: 1634. First state constitution: 1776. U.S. Constitution ratification: April 28, 1788. Official state-flag adoption: March 9, 1904. These are different milestones, not interchangeable birthdays.

Explore Maryland's history: Before statehood · Colonial Maryland · Revolution and ratification · The nineteenth century · Civil War and emancipation · Modern Maryland · Flag history and symbolism · Choosing a flag

Before statehood: a Chesapeake homeland, not an empty shore

Long before an English charter defined Maryland, the Chesapeake supported communities with their own governments, languages, trade, and spiritual traditions. Piscataway, Nanticoke, and Assateague peoples were among the region's Algonquian-speaking communities; other language families also belonged to the wider watershed. People combined farming with fishing, shellfish harvesting, hunting, and gathering. Dugout canoes connected riverside settlements and made the water a route between communities rather than merely a barrier. The National Park Service's Indigenous Chesapeake history emphasizes this diversity, which should not be compressed into a single generic tribal story.

The Piscataway Conoy Tribe's own history describes a confederacy led by a tayac and explains how colonial encroachment undermined agreements meant to protect Native lands. Some families moved into Virginia and Pennsylvania; others remained in southern Maryland, maintaining community ties and cultural identity. Their descendants did not reappear after a centuries-long absence. The tribe traces continuing Maryland communities through the nineteenth and twentieth centuries and its state recognition on January 9, 2012. Recognizing that continuity changes how we read every later map of the state.

1632–1690s: the Calverts, settlement, and the limits of toleration

In June 1632, Charles I granted Maryland's charter to Cecilius Calvert, the second Lord Baltimore. Maryland was named for Queen Henrietta Maria. Cecilius's brother Leonard led the settlers who sailed on the Ark and Dove. On March 25, 1634, they landed at St. Clement's Island; they subsequently obtained land from the Yaocomaco and established St. Mary's City. The Maryland State Archives' seventeenth-century chronology records these steps. The royal grant and the actual settlement were separate events, and neither erased the people already living there.

Maryland's 1649 Act Concerning Religion deserves both recognition and precision. It protected the religious exercise of Christians within its stated conditions, a meaningful attempt to reduce conflict among Christian denominations. Yet the same act prescribed death and forfeiture of property for denying the Trinity. It was not religious freedom for everyone in the modern constitutional sense. The original law's penalty provisions and toleration language show both sides. For Americans who prize freedom of conscience, the lesson is that toleration granted by rulers was an incomplete step toward a right government must respect.

Nor did the colony develop through uninterrupted harmony. Protestant Associators overthrew proprietary officers in 1689. Crown government followed in 1692, and the Church of England became the established church. The capital moved from St. Mary's City to the settlement soon named Annapolis in 1694–1695. These changes, also documented in the State Archives chronology, reveal how struggles over religion, ownership, and political authority shaped Maryland well before independence.

Tobacco wealth and the denial of liberty

Tobacco created an export economy hungry for labor. Maryland's early growth depended on work by indentured servants and enslaved people, not simply the prosperity of landowners. By 1664, the legislature had given slavery explicit statutory sanction, including lifetime enslavement. Later laws tightened racial restrictions and made clear that baptism did not secure an enslaved person's freedom. The State Archives' study of colonial slavery legislation documents how this system was constructed through specific decisions. Describing that history honestly is essential in a state whose later story includes such powerful champions of freedom.

1776–1788: independence, the Maryland Line, and constitutional government

Resistance to British authority gathered through protests over taxation, nonimportation, and political organization. In 1774, Maryland's Provincial Convention met at Annapolis and sent representatives to the Continental Congress. The revolutionary transition produced more than a change of officials: Maryland's convention declared independence from Britain in July 1776, adopted a Declaration of Rights on November 3, and adopted a state constitution on November 8. The State Archives' eighteenth-century chronology identifies these milestones. By the time federal ratification arrived twelve years later, Maryland already had an independent state's institutions.

Its soldiers helped make that independence possible. At the Battle of Long Island on August 27, 1776, Maryland troops fought a costly delaying action during the American withdrawal. The Maryland Line's service became central to the state's identity. But the familiar claim that George Washington personally bestowed the exact nickname “Old Line State” is not established by his surviving papers. The State Archives' investigation of the nickname distinguishes the documented reputation of the troops from the uncertain origin of the statewide phrase. Their courage needs no invented quotation to make it worthy of remembrance.

Annapolis also witnessed a defining act of republican restraint. On December 23, 1783, Washington appeared before Congress in the State House and surrendered his military commission. Congress ratified the Treaty of Paris there on January 14, 1784. The State House's history of the Old Senate Chamber preserves these events. A victorious commander returning authority to civilian representatives offers a particularly meaningful Maryland connection for Americans who value limited government: military success did not entitle one man to rule the country.

What happened on April 28, 1788?

Maryland's ratifying convention approved the proposed U.S. Constitution by 63 votes to 11. The National Archives' constitutional history places that vote within a national contest whose outcome was still uncertain. Supporters wanted a more effective Union; opponents worried about centralized authority and insufficient protections for individual rights. Maryland's approval helped the ratification movement advance, but it was not the final vote needed to establish the new system. Nine state ratifications were required, and New Hampshire supplied the ninth later that year.

That distinction makes the birthday more interesting, not less patriotic. April 28 celebrates Maryland's decision to participate in a constitutional republic, while 1776 marks its break with royal authority. The later Bill of Rights added explicit safeguards against government overreach. American freedom rests on that combination of workable government and enforceable limits, not on imagining that the founding generation agreed about every question.

1814–1850s: a national anthem, transportation, and freedom seekers

During the War of 1812, Baltimore became a test of American resolve. On September 14, 1814, the large U.S. flag raised over Fort McHenry signaled that the defenders had held against the British attack. The sight inspired Francis Scott Key's words that eventually became the national anthem. The Smithsonian's Star-Spangled Banner exhibition follows that connection between military defense and national memory. This was the American flag, not today's Maryland state flag. Keeping the two distinct honors the actual history behind each.

Commerce offered another route to national importance. Construction of the Chesapeake and Ohio Canal and Baltimore and Ohio Railroad began on the same day, July 4, 1828. The canal reached Cumberland in 1850, carrying coal and other goods toward Georgetown, but never reached its intended Ohio River destination. Immigrant laborers performed difficult construction work; financial trouble, land disputes, and competition slowed progress. The National Park Service's canal history shows that the project combined public and private investment. It was an ambitious effort to connect markets, not a simple story of either government or business acting alone.

Meanwhile, Marylanders held in slavery pursued liberty through their own initiative and the help of others. Frederick Douglass, born enslaved on the Eastern Shore in 1818, learned to read in Baltimore and escaped in 1838 with assistance from Anna Murray. He became an author, publisher, abolitionist, and advocate for women's rights. During the Civil War he recruited Black soldiers and pressed for equal treatment. The National Park Service's Douglass biography shows why his Maryland beginnings belong in the national story of constitutional liberty.

Harriet Tubman escaped Maryland slavery in 1849, then repeatedly returned to help family and friends. Approximately thirteen rescue journeys over the next decade demanded knowledge of the landscape, trusted networks, and extraordinary courage. She later served the Union as a scout, spy, nurse, and cook. The National Park Service's Tubman account makes clear that freedom was something she actively secured for others. Douglass and Tubman expose the contradiction between America's stated ideals and slavery while demonstrating the power of those ideals to inspire action.

1861–1867: a divided border state and the end of slavery

Maryland remained in the Union, but its population was divided. Baltimore's April 1861 attack on passing Union troops revealed how explosive those loyalties could become. Maryland's transport routes and proximity to Washington made the state strategically indispensable. The detention of John Merryman at Fort McHenry and the dispute over suspended habeas corpus also made it a place where wartime security collided with civil liberties. The National Park Service's border-state history records these tensions. Loyalty to the Union did not mean agreement on slavery, and military necessity did not end arguments about constitutional limits.

On September 17, 1862, Antietam brought catastrophic fighting to the fields near Sharpsburg. About 23,000 soldiers were killed, wounded, or missing. The battle checked the Confederate invasion and gave Abraham Lincoln the opportunity to issue his preliminary Emancipation Proclamation. These are Antietam National Battlefield's central historical facts. The scale of loss should not be blurred by calling all casualties deaths, nor should the campaign be reduced to an uncomplicated celebration of victory.

Because Maryland had not left the Union, the Emancipation Proclamation did not itself abolish slavery there. Maryland needed its own constitutional change. A convention met in 1864, followed by an October referendum with provisions for soldiers voting in the field. The resulting constitution took effect on November 1, 1864, ending slavery in Maryland. The State Archives' convention record explains the legal sequence. Emancipation was a decisive advance in liberty, but it did not automatically produce equal access to education, voting, or employment.

Maryland adopted another constitution in 1867. As amended, it remains the framework of state government. Its Declaration of Rights locates political authority in the people, makes public officials accountable, separates governmental powers, and protects due process. The current official text also insists on civilian control of the military. These are important safeguards to assess by their actual wording, rather than assuming Maryland's charter contains every provision found in other states' constitutions.

1900s–1940s: industry, national service, and a wider electorate

The state's twentieth-century military contribution grew beyond its historic battlefields. Aberdeen Proving Ground was established in 1917 after the United States entered World War I, and testing began in January 1918. Its development required acquiring farmland as well as building facilities. Over time, weapons testing expanded into research, training, and new technologies. The Army's Aberdeen history illustrates how national defense reshaped Maryland's economy and landscape. Supporting service members also meant the less visible work of civilian technicians, researchers, and families.

World War II accelerated industrial production. Bethlehem Steel's Sparrows Point operations and the Glenn L. Martin aircraft factory at Middle River helped supply the Allied war effort. Martin built B-26 Marauders, while wartime employment brought new workers and housing communities. Women and African American workers took important roles, though opportunity was not distributed equally. The National Park Service's Baltimore County home-front history connects factory output with these social changes. Maryland patriotism belongs to the production line as well as to the battlefield.

The electorate was changing, too. Maryland did not ratify the Nineteenth Amendment in time to help enact it in 1920; national ratification nevertheless prohibited denying the vote on account of sex in Maryland as elsewhere. The state's own ratification followed in 1941. Black women had organized despite exclusion from many white-led suffrage groups; Augusta Chissell later helped explain voting to readers of the Baltimore Afro-American. The National Park Service's Maryland suffrage history is a reminder that constitutional rights often require persistent civic work before and after formal adoption.

1930s–1960s: the struggle to make equal citizenship real

Donald Gaines Murray's challenge to the University of Maryland's racially exclusionary law-school admissions policy became a significant legal milestone. After his 1935 rejection, Charles Hamilton Houston and Thurgood Marshall represented him. A court ordered his admission, and Maryland's highest court affirmed the ruling on January 15, 1936. Murray graduated in 1938. The university law library's documentary history follows the case and its influence on later litigation. It demonstrates how an individual's insistence on equal treatment could force public institutions to confront their obligations.

In Cambridge, the struggle moved through organizing, demonstrations, and negotiations. Gloria Richardson and other parents formed the Cambridge Nonviolent Action Committee in 1962. Violence and National Guard deployments followed in 1963, and federal officials helped negotiate the July agreement known as the Treaty of Cambridge. The State Archives' Dorchester County chronology records these events. Reconciliation among citizens is a worthy goal, but it cannot mean asking people to accept unequal citizenship. The freedom celebrated in state ceremonies must reach beyond the ceremony.

1952 to the present: connections, scientific enterprise, and the Chesapeake

The Chesapeake Bay Bridge's first span opened on July 30, 1952; a parallel span followed in June 1973. The crossing linked the Eastern Shore directly with the Baltimore, Annapolis, and Washington regions. Those dates and functions are documented by the Maryland Transportation Authority. Like the canal before it, the bridge changed the practical relationship between geography and opportunity. A map may show communities close together, but the time and difficulty of moving people and goods determine how closely they can work together.

Maryland's scientific role grew with NASA's Goddard Space Flight Center in Greenbelt, established under that name on May 1, 1959. Its work brought together spacecraft development, instruments, communications, and the study of Earth and space. NASA's 2019 anniversary history traces that institutional beginning. Alongside Maryland's older agricultural and maritime traditions, such work offers another expression of American enterprise: skilled people solving difficult problems and building technologies whose uses extend beyond the original mission.

The Bay remains both a livelihood and a responsibility. Regional restoration agreements have guided the Chesapeake partnership since 1983, as the Environmental Protection Agency explains. In an August 12, 2026 report, Maryland said updated modeling showed it had reached 100 percent of its 2025 sediment and phosphorus reduction goals and 99 percent of its nitrogen goal. The same state report acknowledged broader watershed shortfalls and continuing work toward revised 2040 goals. Those are dated, modeled measures of progress, not proof that the entire Bay is restored.

Recent history also includes tragedy. On March 26, 2024, the cargo ship Dali struck the Francis Scott Key Bridge, collapsing the structure and killing six construction workers. The State Archives' bridge history records the disaster and subsequent rebuilding effort. Remembering the workers matters as much as discussing engineering or commerce. The event exposed how closely everyday travel, port activity, and families' livelihoods depend on infrastructure that often goes unnoticed until it fails.

Native communities remain part of this contemporary state. The State Archives' Indigenous peoples guide records state recognition of two Piscataway tribes in 2012 and the Accohannock Tribe in 2017. These are state-recognition milestones, not claims of federal recognition or the dates those peoples began to exist. Maryland's present includes the descendants of the communities with which this history began.

Maryland flag history: colonial arms, Civil War divisions, and a modern state symbol

What do the four quarters represent?

The gold-and-black quarters derive from the Calvert family arms, associated with the Lords Baltimore. The red-and-white quarters come from the Crosslands, the maternal family of George Calvert, first Lord Baltimore. Calvert colors occupy the first and fourth quarters; Crossland colors fill the second and third. The State Archives' flag guide identifies these family connections. “Baltimore” here refers to the proprietary title and family history, not to a design first created as the flag of the city.

The pattern rewards a close look. Vertical gold-and-black bars are crossed by a diagonal band that reverses their colors. In the red-and-white quarters, the cross similarly switches color against its background, and its arms end in rounded trefoil forms called a cross bottony. This is heraldry expanded across a banner rather than a small seal centered on plain cloth. The official description in Maryland's flag statute specifies that structure. Its visual energy comes from repeated contrasts and matching diagonal quarters, not from an arbitrary collection of colors.

Why does the Civil War matter to the design?

The current banner should not be described as an unchanged flag continuously flown since 1634. Maryland's Secretary of State explains that colonial descriptions mention the gold-and-black Calvert colors, while various other banners represented the state after independence. During the Civil War, Calvert colors were associated with Maryland's Union identity. Confederate sympathizers and Maryland-born Confederate soldiers used the Crossland red and white and cross bottony. The later combination brought colors associated with opposing loyalties into one state symbol.

The Secretary of State's detailed flag history presents this as a postwar reconciliation story. It also says the designer and precise origin date are uncertain. The combined banner is documented by October 1880; the Fifth Regiment of the Maryland National Guard adopted it as its regimental color in 1889, helping popularize the design. This is evidence of a developing tradition, not proof that a single known designer invented the flag on a particular day.

That reconciliation deserves context. Reuniting neighbors after civil war was important, but reunion did not by itself secure equal rights for formerly enslaved people. A patriotic reading can recognize the flag's meaning as a shared Maryland emblem without celebrating secession or pretending the causes of the war were morally interchangeable. The history of Murray, Richardson, and other citizens shows why political reunion and equal citizenship must be distinguished.

When did Maryland officially adopt its flag?

The General Assembly adopted the flag in 1904, with the act effective March 9. In 1945, the state established the gold cross bottony as the required ornament if an ornament is attached atop a staff carrying the Maryland flag. The State Archives' adoption history and current flagstaff statute distinguish the flag from that hardware detail. April 28, 1788 and March 9, 1904 therefore belong on separate labels: one commemorates constitutional ratification, the other formal adoption of the flag.

Liberty, responsibility, and pride in the Old Line State

Maryland's history supports a patriotism grounded in knowledge: respect for Revolutionary soldiers, gratitude for national service, admiration for private initiative, and insistence that public power remain accountable. It also requires remembering people who were denied liberty and then worked to extend it. The best American traditions are strengthened, not weakened, when we ask whether government is keeping its promises.

That outlook includes support for the Second Amendment's right to keep and bear arms, together with lawful ownership, training, safe storage, and responsible conduct. This is a civic principle, not a claim that Maryland's state constitution duplicates the federal amendment or that every firearm rule is the same everywhere. Cherishing freedom means understanding both rights and responsibilities.

Choose a Maryland flag that fits your display

• Match the setting. Check whether the individual product is intended for indoor display, outdoor flying, or another use.
• Check dimensions and mounting. Confirm size, material, grommets or sleeve, and compatibility with your existing pole and hardware.
• Keep the history accurate. Label a modern product as a modern illustration, not an original colonial artifact. Distinguish the printed design from a flagstaff ornament.
• Make the occasion meaningful. An April 28 display can pair the flag with a short explanation of Maryland's 1788 ratification. A longer classroom timeline can add Native history, 1776 independence, 1864 emancipation, and 1904 flag adoption.

Explore Maryland state flags at FORTISVEX and compare the actual product specifications before ordering. For the wider national calendar, see our list of all 50 state birthdays. A flag becomes more meaningful when the history behind it is worth telling.

Planning a home display? Our guide to flying a flag at your house offers another starting point.