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Map of Maryland
Locator Map of Maryland

1400s - 1500s
  • (1498) John Cabot sailed eastern shore near (present day) Worcester County
  • (1524) Giovanni da Verrazano passed mouth of Chesapeake Bay
  • (1572) Chesapeake Bay explored by Pedro Menendez de Aviles, Spanish governor Florida
  • (1608) Capt. John Smith explored Chesapeake Bay
  • (1631) William Claiborne established Kent Island trading post, farm settlement
  • (1632) King Charles I of Great Britain granted Maryland Charter to Cecilius Calvert; colony named Maryland for Queen Henrietta Maria
  • (1634) English settlers land at St. Clement's Island, city of St. Mary founded
  • (1634 - 1635) Meeting of First General Assembly held at St. Mary's City
  • (1645) Richard Ingle led rebellion against proprietary government (Ingle's Rebellion)
  • (1649) Virginia Puritans invited by Governor Stone to settle in Maryland; all Maryland Christians granted religious freedom by Act of Religious Toleration
  • (1664) Law passed allowing slavery for life
  • (1692) William and Mary declared Maryland to be royal colony; Sir Lionel Copley appointed governor
  • (1695) Annapolis became capital of Maryland
  • (1729) Baltimore founded
  • (1744) Six Nations Chiefs relinquished all claims to Indian land in colony; Assembly purchased final Indian land claims
  • (1750) First export trade of flour shipped to Ireland from Baltimore
  • (1763 - 1767) Charles Mason, Jeremiah Dixon surveyed boundary line with Pennsylvania; Mason-Dixon line established as Maryland's northern boundary
  • (1765) Opposition to Stamp Act occurred at Frederick
  • (1766) Sons of Liberty organized
  • (1769) Non-importation policy of British goods established by Maryland merchants
  • (1774) Mob burned Peggy Stewart ship loaded with tea in Annapolis harbor; Maryland chose delegates to Continental Congress
  • (1776) Declaration of Independence adopted, four Marylanders signed; Maryland Convention declared independence from Great Britain; Maryland soldiers fought at Battle of Long Island; Maryland's Declaration of Rights adopted; First State Constitution adopted
  • (1777) State Consitution's First General Assembly met at Annapolis; Thomas Johnson first governor
  • (1783) Annapolis named nation's capital
  • (1784) Congress in Annapolis ratified Treaty of Paris, ended Revolutionary War
  • (1788) Maryland became seventh U. S. state
  • (1791) Maryland donated land for new capital in Washington, D.C.
  • (1796) Law passed forbidding import of slaves for sale; permitted voluntary emancipation
  • (1813) First steamboat, the Chesapeake, appeared in Chesapeake Bay; British raided Havre de Grace
  • (1814) Francis Scott Key wrote "Star Spangled Banner" during British attack of Fort McHenry
  • (1828) Construction began on nation's first railroad - the Baltimore and Ohio Railroad
  • (1829) Chesapeake and Delaware Canal opened, linked Chesapeake Bay with Delaware River
  • (1844) Samuel F. B. Morse demonstrated world's first telegraph line, from Washington, D.C. to Baltimore
  • (1845) U. S. Naval Academy founded at Annapolis
  • (1849) Harriet Tubman escaped slavery; began rescuing other slaves
  • (1861) First bloodshed of Civil War occurred in Baltimore; federal troops occupied Annapolis; Union forces occupied Baltimore
  • (1862) Confederate cavalry entered Cumberland; Battle of South Mountain - Union troops forced Confederates from Crampton's and Turner's Gaps; Confederates defeated at Antietam - most deadly battle of Civil War, 4,800 dead, 18,000 wounded
  • (1863) Lee's army passed through Maryland enroute to Gettysburg
  • (1864) Hagerstown and Frederick held for ransom by Confederates; Maryland abolished slavery
  • (1865) Marylander, John Wilkes Booth, assassinated President Abraham Lincoln
  • (1876) Johns Hopkins University founded
  • (1877) Baltimore and Ohil Railroad workers struck, demonstrated in Cumberland, rioted in Baltimore
  • (1894) Baltimore Orioles won first baseball championship


  • (1904) Fire destroyed downtown Baltimore
  • (1912) Democratic National Convention held in Baltimore
  • (1920) Women voted for first time in Maryland
  • (1920's - 1930's) Maryland refused to endorse national Prohibition laws, nicknamed "Free State"
  • (1921) Mary E. W. Risteau first woman elected to House of Delegates
  • (1922) Ku Klux Klan rallied in Frederick, Baltimore
  • (1924) Flooding destroyed much of Chesapeake and Ohio Canal
  • (1935) University of Maryland School of Law opened to black students following suit brought by NAACP attorney, Thurgood Marshall
  • (1937) State income tax instituted
  • (1941) USS Maryland attacked at Pearl Harbor
  • (1942) Blacks in Baltimore protested police brutality; demanded school board representation
  • (1943) Elkton factory explosion killed 15 workers
  • (1944) "Blue-baby" operation developed at Johns Hopkins Hospital
  • (1947) State sales tax instituted
  • (1952) Chesapeake Bay Bridge opened; first intensive care facility in nation opened at Johns Hopkins Hospital
  • (1954) St. Louis Browns moved to Baltimore, became American League Orioles; University of Maryland first university to integrate below Mason-Dixon Line
  • (1955) Desegragation of public schools began
  • (1957) Baltimore Harbor Tunnel opened
  • (1958 and 1959) Baltimore Colts National Football League champions
  • (1963) Race riots occurred in Cambridge
  • (1967) Thurgood Marshall became first African-American Justice of Supreme Court; rioting and demonstrations in Cambridge resulted in two blocks of black district destroyed by fire
  • (1968) Rioting occurred in Baltimore and Washington, D. C. following Dr. Martin Luther King assassination
  • (1969) Spiro Agnew elected U. S. Vice President
  • (1970) Baltimore held first city fair; Baltimore Orioles won World Series
  • (1973) Maryland adopted state lottery; Spiro Agnew resigned vice-presidency
  • (1974) Both houses of General Assembly elected on basis of equal representation by population
  • (1979) Daniel Nathans, Hamilton Smith of Johns Hopkins Hospital won Nobel Prizes for medicine
  • (1980) Harbor Place in Baltimore opened
  • (1992) Baseball stadium, Camden Yards, opened downtown Baltimore
  • (1995) Annapolis celebrated 300-year anniversary as Maryland's capital
  • (1998) Middle East Peace Talks held at Wye River Conference Center
  • (2004) Maryland celebrated Flag Centennial
  • (2006) Maryland had lowest poverty rate in US
  • (2007) Nation's first Living Wage law enacted in Maryland; Middle East Peace Conference held at U. S. Naval Academy in Annapolis
  • (2008) Walking became official state exercise; Maryland first state to name offical state exercise
  • (2010) Baltimore Mayor Sheila Dixon resigned after conviction of embezzlement
  • (2012) State Senate passed bill legalizing gay marriage

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