U.S. History

  • Massacre at Mystic

    Massacre at Mystic
    The Mystic massacre also known as the Pequot massacre and the Battle of Mystic Fort took place on May 26, 1637 during the Pequot War
  • The Scalp Act

    The Scalp Act
    Governor Robert Morris enacted the Scalp Act. Anyone who brought in a male scalp above age of 12 would be given 150 pieces of eight, ($150), for females above age of 12 or males under the age of 12, they would be paid $130. The act turned all the tribes against the Pennsylvania legislature
  • The Boston Tea Party

    The Boston Tea Party
    The colonist dumped 342 chest of imported tea into the harbor.
  • The Battles of Lexington and Concord

    The Battles of Lexington and Concord
    The Battles of Lexington and Concord, fought on April 19, 1775, kicked off the American Revolutionary War. On the night of April 18, 1775, hundreds of British troops marched from Boston to nearby Concord in order to seize an arms cache
  • The Battles of Lexington and Concord

    The Battles of Lexington and Concord
    This was the start of the Revolutionary War between residents of the 13 American colonies and the British.
  • The Declaration of Independence is Signed

    The Declaration of Independence is Signed
    The declaration was signed on August 2. The first and largest signature was John Hancock
  • The Winter at Valley Forge

    The Winter at Valley Forge
    Washington moved the Continental Army to their winter quarter at Valley Forge. This was for six months.
  • The Winter at Valley Forge

    The Winter at Valley Forge
    The particularly severe winter of 1777-1778 proved to be a great trial for the American army, and of the 11,000 soldiers stationed at Valley Forge, hundreds died from disease. However, the suffering troops were held together by loyalty to the Patriot cause and to General Washington, who stayed with his men.
  • Benedict Arnold turns traitor

    Benedict Arnold turns traitor
    In 1779, he entered into secret negotiations with the British, agreeing to turn over the U.S. post at West Point in return for money and a command in the British army. The plot was discovered, but Arnold escaped to British lines. His name has since become synonymous with the word “traitor.”
  • The Battle of Cowpens

    The Battle of Cowpens
    Battle of Cowpens, in the American Revolution, brilliant American victory over a British force on the northern border of South Carolina that slowed Lord Cornwallis's campaign to invade North Carolina. British casualties were estimated at about 600, whereas the Americans lost only 72.
  • Article of Confederation are Ratified

    Article of Confederation are Ratified
    The Article of Confederation was ratified by all 13 states. This lead to convection to revise the articles.
  • The Battle of Yorktown

    The Battle of Yorktown
    This battle end the rule of the British and the United States of America was born.
  • The 3/5ths Compromise

    The 3/5ths Compromise
    The Three-fifths Compromise was an agreement reached during the 1787 United States Constitutional Convention over the counting of slaves in determining a state's total population.
  • The Constitution is Ratified

    The Constitution is Ratified
    The Constitution was official and approved by three quarter of the states.
  • Presidential Inauguration of George Washington

    Presidential Inauguration of George Washington
    The inauguration was held nearly two months after the beginning of the first four-year term of George Washington as President.
  • Washington’s Farewell Address

    Washington’s Farewell Address
    This was a letter written by President Washington near the end of his second term.
  • The Death of George Washington

    The Death of George Washington
    George Washington is said to died from a throat infection.
  • Election Day, 1800

    Election Day, 1800
    This was the first time that power transfer from one party to another.
  • Marbury vs. Madison

    Marbury vs. Madison
    This case show that the courts could strike down laws that where against the constitution.
  • Slave Trade Ends in the United States

    Slave Trade Ends in the United States
    The Act Prohibiting Importation of Slaves of 1807 is a United States federal law that provided that no new slaves were permitted to be imported into the United States
  • Battle of Tippecanoe

    Battle of Tippecanoe
    The Battle of Tippecanoe was fought on November 7, 1811, in Battle Ground, Indiana between American forces led by then Governor William Henry Harrison of the Indiana Territory and Native American forces
  • The USS Constitution defeats the HMS Guerriere

    The USS Constitution defeats the HMS Guerriere
    USS Constitution vs HMS Guerriere was a battle between the two ships during the War of 1812, approximately 400 miles (640 km) southeast of Halifax, Nova Scotia. The Americans removed the crew and set Guerriere on fire before returning to Boston with news of the victory, which proved to be important for American morale.
  • The Battle of Baltimore

    The Battle of Baltimore
    The Battle of Baltimore was a sea/land battle fought between British invaders and American defenders in the War of 1812.
  • The Battle of New Orleans

    The Battle of New Orleans
    The Battle of New Orleans was the final major battle of the War of 1812, fought between the British Empire and the newly formed United States. American troops, led by future President Andrew Jackson, defeated the much larger British force, which bolstered U.S. hopes for a speedy end to the war.
  • The Missouri Compromise

    The Missouri Compromise
    The Missouri Compromise was United States federal legislation that stopped northern attempts to forever prohibit slavery's expansion by admitting Missouri as a slave state and Maine as a free state in
  • The Election of Andrew Jackson

    The Election of Andrew Jackson
    It featured a rematch of the 1824 election, as President John Quincy Adams of the National Republican Party faced Andrew Jackson of the Democratic Party. Jackson's victory over Adams marked the start of Democratic dominance in federal politics.
  • Indian Removal Act

    Indian Removal Act
    United States President Andrew Jackson. The law authorized the president to negotiate with southern Native American tribes for their removal to federal territory west of the Mississippi River in exchange for white settlement of their ancestral lands
  • Nat Turner Rebellion

    Nat Turner Rebellion
    Nat Turner Rebellion was an enslaved man who led a rebellion of enslaved people on August 21, 1831. His action set off a massacre of up to 200 Black
  • The Battle of the Alamo

    The Battle of the Alamo
    The Battle of the Alamo was a pivotal event in the Texas Revolution. Following a 13-day siege, Mexican troops under President General Antonio López de Santa Anna reclaimed the Alamo Mission near San Antonio de Béxar (modern-day San Antonio, Texas, United States), killing most of the Texians and Tejanos inside.
  • Trail of Tears

    Trail of Tears
    The Trail of Tears was part of a series of forced displacements of approximately 60,000 Native Americans between 1830 and 1850 by the United States government known as the Indian removal
  • Mexico loses California, New Mexico, and Arizona

    Mexico loses California, New Mexico, and Arizona
    This treaty, signed on February 2, 1848, ended the war between the United States and Mexico. By its terms, Mexico ceded 55 percent of its territory, including parts of present-day Arizona, California, New Mexico, Texas, Colorado, Nevada, and Utah, to the United States.
  • The Fugitive Slave Act

    The Fugitive Slave Act
    The Fugitive Slave Act or Fugitive Slave Law was passed by the United States Congress on September 18, 1850, as part of the Compromise of 1850 between Southern interests in slavery
  • Dred Scott Decision

    Dred Scott Decision
    Dred Scott v. Sandford, 60 U.S. 393, was a landmark decision of the United States Supreme Court
  • The Dead Rabbits Riot

    The Dead Rabbits Riot
    The Dead Rabbits Riot
  • Abraham Lincoln Elected President

    Abraham Lincoln Elected President
    Abraham Lincoln was elected the 16th president of the United States over a deeply divided Democratic Party, becoming the first Republican to win the presidency. Lincoln received only 40 percent of the popular vote but handily defeated the three other candidates
  • South Carolina Secedes from the United States

    South Carolina Secedes from the United States
    South Carolina became the first state to secede from the federal Union on December 20, 1860. The secession of South Carolina precipitated the outbreak of the American Civil War in Charleston Harbor on April 12, 1861
  • The First Battle of Bull Run

    The First Battle of Bull Run
    The First Battle of Bull Run, also known as the Battle of First Manassas, was the first major battle of the American Civil War. The battle was fought on July 21, 1861, in Prince William County, Virginia, just north of the city of Manassas and about 30 miles west-southwest of Washington, D.C.
  • Emancipation Proclamation

    Emancipation Proclamation
    Español. President Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war.
  • The Battle of Gettysburg

    The Battle of Gettysburg
    The Battle of Gettysburg marked the turning point of the Civil War. With more than 50,000 estimated casualties, the three-day engagement was the bloodiest single battle of the conflict
  • The Treaty at Appomattox Courthouse

    The Treaty at Appomattox Courthouse
    There was no treaty signed to end the Civil War. The surrender at Appomattox Court House was a military surrender of an army which was surrounded. The Confederate government never surrendered and even had it wanted to the United States government would likely not have accepted.
  • 13th Amendment

    13th Amendment
    Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.
  • The Ku Klux Klan is Established

    The Ku Klux Klan is Established
    In Pulaski, Tennessee, a group of Confederate veterans convenes to form a secret society that they christen the “Ku Klux Klan.”
  • John D. Rockefeller Creates Standard Oil

    John D. Rockefeller Creates Standard Oil
    He established Standard Oil, which by the early 1880s controlled some 90 percent of U.S. refineries and pipelines.
  • 15th Amendment

    15th Amendment
    The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any State on account of race, color, or previous condition of servitude.
  • Alexander Graham Bell Patents the Telephone

    Alexander Graham Bell Patents the Telephone
    29-year-old Alexander Graham Bell receives a patent for his revolutionary new invention: the telephone.
  • Battle of Little Bighorn

    Battle of Little Bighorn
    The Battle of the Little Bighorn, known to the Lakota and other Plains Indians as the Battle of the Greasy Grass and also commonly referred to as Custer's Last Stand
  • The Great Oklahoma Land Race

    The Great Oklahoma Land Race
    The Oklahoma Land Rush of 1889 was the first land run into the Unassigned Lands of former Indian Territory, which had earlier been assigned to the Creek and Seminole peoples. ... An estimated 50,000 people were lined up at the start, seeking to gain a piece of the
  • battle of wounded knee

    battle of wounded knee
    The Wounded Knee Massacre, also known as the Battle of Wounded Knee, was a massacre of nearly three hundred Lakota people by soldiers of the United States Army
  • Ellis Island Opens to Process Immigrants

    Ellis Island Opens to Process Immigrants
    After an arduous sea voyage, immigrants arriving at Ellis Island were tagged with information from their ship's registry; they then waited on long lines for medical and legal inspections to determine if they were fit for entry into the United States.
  • Plessy vs. Ferguson

    Plessy vs. Ferguson
    Plessy v. Ferguson, 163 U.S. 537, was a landmark decision of the U.S. Supreme Court in which the Court ruled that racial segregation laws did not violate the U.S. Constitution as long as the facilities for each race were equal in quality,
  • The Sinking of the USS Maine

    The Sinking of the USS Maine
    An explosion of unknown origin sank the battleship U.S.S. Maine in the Havana, Cuba harbor, killing 266 of the 354 crew members. The sinking of the Maine incited United States' passions against Spain, eventually leading to a naval blockade of Cuba and a declaration of war.
  • The Wizard of Oz (Book) is Published

    The Wizard of Oz (Book) is Published
    A modern fairy tale with a distinctly American setting, a delightfully levelheaded and assertive heroine, and engaging fantasy characters, the story was enormously popular and became a classic of children’s literature.
  • Teddy Roosevelt Becomes President of the United States

    Teddy Roosevelt Becomes President of the United States
    Theodore Roosevelt, bynames Teddy Roosevelt and TR, (born October 27, 1858, New York, New York, U.S.—died January 6, 1919, Oyster Bay, New York), 26th president of the United States (1901–09) and a writer, naturalist, and soldier.
  • J.P. Morgan Founds U.S. Steel

    J.P. Morgan Founds U.S. Steel
    United States Steel Corporation, leading U.S. producer of steel and related products, founded in 1901.
  • Ford Motor Company is Founded

    Ford Motor Company is Founded
    Ford Motor Company, American automotive corporation founded in 1903 by Henry Ford and 11 associate investors.
  • Ida Tarbell Publishes Her Article About Standard Oil

    Ida Tarbell Publishes Her Article About Standard Oil
    Ida Tarbell was an American journalist best known for her pioneering investigative reporting that led to the breakup of the Standard Oil Company's monopoly.
  • The 16th Amendment is Passed

    The 16th Amendment is Passed
    The 16th Amendment to the U.S. Constitution was ratified in 1913 and allows Congress to levy a tax on income from any source without apportioning it among the states and without regard to the census.
  • The 17th Amendment is Passed

    The 17th Amendment is Passed
    On April 8, 1913, three-quarters of the states had ratified the proposed amendment, and it was officially included as the 17th Amendment.
  • KDKA goes on the air from Pittsburgh

    KDKA goes on the air from Pittsburgh
    KDKA changed radio, and radio changed the world. It paved the way for other technologies such as television and the internet, and it all started in a roof top shack in Pittsburgh, Pennsylvania.
  • Sacco and Vanzetti arrested for armed robbery and murder

    Sacco and Vanzetti arrested for armed robbery and murder
    Sacco and Vanzetti were charged with committing robbery and murder at the Slater and Morrill shoe factory in South Braintree. On the afternoon of April 15, 1920, payroll clerk Frederick Parameter and security guard Alessandro Berardelli were shot to death and robbed of over $15,000 in cash.
  • 1st miss american pageant

    1st miss american pageant
    In the decades just prior to the pageant’s creation, there was a marked transformation around women’s roles in society with expanding social, political and cultural activity for women
  • Teapot Dome Scandal

    Teapot Dome Scandal
    The Teapot Dome scandal was a bribery scandal involving the administration of United States President Warren G. Harding from 1921 to 1923. ... Convicted of accepting bribes from the oil companies, Fall became the first presidential cabinet member to go to prison; no one was convicted of paying the bribes.
  • 1st Winter Olympics Held

    1st Winter Olympics Held
    In 1925 the IOC decided to create a separate winter event and the 1924 games in Chamonix was retroactively designated as the first Winter Olympics. St. Moritz, Switzerland, was appointed by the IOC to host the second Winter Games in 1928. Fluctuating weather conditions challenged the hosts.
  • J.Edgar Hoover Becomes Head of the FBI

    J.Edgar Hoover Becomes Head of the FBI
    On May 10, 1924, President Calvin Coolidge appointed Hoover as the fifth Director of the Bureau of Investigation, partly in response to allegations that the prior director, William J. Burns, was involved in the Teapot Dome scandal.
  • The Great Gatsby published by F. Scott Fitzgerald

    The Great Gatsby published by F. Scott Fitzgerald
    The Great Gatsby, third novel by F. Scott Fitzgerald, published in 1925 by Charles Scriber's Sons. Set in Jazz Age New York, the novel tells the tragic story of Jay Gatsby, a self-made millionaire, and his pursuit of Daisy Buchanan, a wealthy young woman whom he loved in his youth.
  • Mein Kampf is Published

    Mein Kampf is Published
    Mein Kampf is a 1925 autobiographical manifesto by Nazi Party leader Adolf Hitler. The work describes the process by which Hitler became antisemitic and outlines his political ideology and future plans for Germany.
  • Scopes Monkey Trial

    Scopes Monkey Trial
    The Scopes Trial, formally known as The State of Tennessee v. John Thomas Scopes and commonly referred to as the Scopes Monkey Trial, was an American legal case in July 1925 in which a high
  • Charles Lindberg completes solo flight across the Atlantic

    Charles Lindberg completes solo flight across the Atlantic
    On May 21, 1927, Charles A. Lindbergh completed the first solo, nonstop transatlantic flight in history, flying his Spirit of St. Louis from Long Island, New York, to Paris, France.
  • The Jazz Singer debuts (1st movie with sound)

    The Jazz Singer debuts (1st movie with sound)
    On December 30, 1927, The Jazz Singer, the first commercially successful full-length feature film with sound, debuts at the Blue Mouse Theater at 1421 5th Avenue in Seattle. The movie uses Warner Brothers' Vitaphone sound-on-disc technology to reproduce the musical score and sporadic episodes of synchronized speech
  • Franklin Roosevelt is Elected President (1st Time)

    Franklin Roosevelt is Elected President (1st Time)
    In the 1932 presidential election, Roosevelt defeated Republican incumbent Herbert Hoover in a landslide.
  • St. Valentine's Day Massacre

    St. Valentine's Day Massacre
    The Saint Valentine's Day Massacre was the 1929 murder of seven members and associates of Chicago's North Side Gang that occurred on Saint Valentine's Day. The men were gathered at a Lincoln Park garage on the morning of that feast day, February 14th
  • Stock Market Crash Begins Great Depression

    Stock Market Crash Begins Great Depression
    Stock prices began to decline in September and early October 1929, and on October 18 the fall began. ... Investment companies and leading bankers attempted to stabilize the market by buying up great blocks of stock, producing a moderate rally on Friday
  • Black Tuesday (Stock Market Crash)

     Black Tuesday (Stock Market Crash)
    Stock prices began to decline in September and early October 1929, and on October 18 the fall began. ... Black Monday was followed by Black Tuesday (October 29, 1929), in which stock prices collapsed completely and 16,410,030 shares were traded on the New York Stock Exchange in a single day
  • The dust bowl

    The dust bowl
    When Was The Dust Bowl? The Dust Bowl, also known as “the Dirty Thirties,” started in 1930 and lasted for about a decade, but its long-term economic impacts on the region lingered much longer. Severe drought hit the Midwest and Southern Great Plains in 1930.
  • The Adoption of the Star Spangled Banner as the National Anthem

    The Adoption of the Star Spangled Banner as the National Anthem
    The Senate passed the bill on March 3, 1931. President Herbert Hoover signed the bill on March 4, 1931, officially adopting "The Star-Spangled Banner" as the national anthem of the United States of America.
  • The Empire State Building Opens

    The Empire State Building Opens
    President Herbert Hoover pressed a button in Washington, D.C., and on came the lights in the world's tallest skyscraper.
  • Adolf Hitler Become Chancellor of Germany

    Adolf Hitler Become Chancellor of Germany
    Adolf Hitler was appointed chancellor of Germany in 1933 following a series of electoral victories by the Nazi Party. He ruled absolutely until his death by suicide in April 1945.
  • CCC is Created

    CCC is Created
    The Civilian Conservation Corps was a voluntary public work relief program that operated from 1933 to 1942 in the United States for unemployed, unmarried men ages 18–25 and eventually expanded
  • WPA is Created

    WPA is Created
    President Franklin D. Roosevelt created the WPA with an executive order on May 6, 1935. It was part of his New Deal plan to lift the country out of the Great Depression by reforming the financial system and restoring the economy to pre-Depression levels
  • J.J. Braddock Wins Heavyweight Boxing Title

    J.J. Braddock Wins Heavyweight Boxing Title
    Instead, on June 13, 1935, at Madison Square Garden Bowl, Braddock won the Heavyweight Championship of the World as the 10-to-1 underdog in what was called
  • Olympic Games in Berlin

    Olympic Games in Berlin
    The Berlin Games were the 10th occurrence of the modern Olympic Games. The 1936 Olympics were held in a tense, politically charged atmosphere.
  • Kristallnacht

    Kristallnacht
    Kristallnacht or the Night of Broken Glass, also called the November pogrom, was a pogrom against Jews carried out by the Nazi Party's Sturmabteilung paramilitary forces along with civilians throughout Nazi Germany on 9–10 November 1938.
  • Grapes of Wrath is Published

    Grapes of Wrath is Published
    The Grapes of Wrath is an American realist novel written by John Steinbeck and published in 1939
  • Wizard of Oz Premiers in Movie Theaters

    Wizard of Oz Premiers in Movie Theaters
    The Wizard of Oz, which will become one of the best-loved movies in history, opens in theaters around the United States. Based on the 1900 children's novel The Wonderful Wizard of Oz,
  • Germany Invades Poland

    Germany Invades Poland
    The invasion of Poland, also known as the September campaign, 1939 defensive war and Poland campaign, was an attack on the Republic of Poland by Nazi Germany and the Soviet Union which marked the beginning of World War II.
  • The Battle of Britain

    The Battle of Britain
    The Battle of Britain, also known as the Air Battle for England, was a military campaign of the Second World War, in which the Royal Air Force and the Fleet Air Arm of the Royal Navy defended the United Kingdom against large-scale attacks by Nazi Germany's air force, the Luftwaffe.
  • Angel Island Opens to Process Immigrants

    Angel Island Opens to Process Immigrants
    Authorities at Angel Island submitted immigrants to exhaustive interrogations to try and prevent this kind of illegal entry. While processing arrivals to Ellis Island normally took a few hours or a few days at most, immigrants could spend weeks, months or even years at Angel Island
  • The Four Freedoms Speech

    The Four Freedoms Speech
    The Four Freedoms were goals articulated by U.S. President Franklin D. Roosevelt on Monday, January 6, 1941
  • The Bombing of Pearl Harbor

    The Bombing of Pearl Harbor
    The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, just before 08:00, on Sunday, December 7, 1941
  • The Battle of Midway

    The Battle of Midway
    The Battle of Midway was a major naval battle in the Pacific Theater of World War II that took place on 4–7 June 1942, six months after Japan's attack on Pearl Harbor and one month after the Battle of the Coral Sea
  • The Battle of Stalingrad

    The Battle of Stalingrad
    In the Battle of Stalingrad, Germany and its allies fought the Soviet Union for control of the city of Stalingrad in Southern Russia
  • Operation Torch

    Operation Torch
    Operation Torch was an Allied invasion of French North Africa during the Second World War. While the French colonies formally aligned with Germany via Vichy France, the loyalties of the population were mixed. Reports indicated that they might support the Allies.
  • Monuments, Fine Arts, and Archives Program

    Monuments, Fine Arts, and Archives Program
    The Monuments, Fine Arts, and Archives program under the Civil Affairs and Military Government Sections of the Allied armies was established in 1943 to help protect cultural property in war areas during and after World War II.
  • The Battle of Kursk

    The Battle of Kursk
    The Battle of Kursk was a Second World War engagement between German and Soviet forces on the Eastern Front near Kursk in the Soviet Union, during July and August 1943.
  • D-Day (June 6th, 1944)

    D-Day (June 6th, 1944)
    The Normandy landings were the landing operations and associated airborne operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. Codenamed Operation Neptune and often referred to as D-Day, it was the largest seaborne invasion in history.
  • Battle of the Philippines

    Battle of the Philippines
    Battle of the Philippine Sea, naval battle of World War II between the Japanese Combined Fleet and the U.S. Fifth Fleet. Known as “the greatest carrier battle of the war,” it accompanied the U.S. landing on Saipan and ended in a complete U.S. victory.
  • The Battle of the Bulge

    The Battle of the Bulge
    The Battle of the Bulge, also known as the Ardennes Counteroffensive, was a major German offensive campaign on the Western Front during World War II which took place from 16 December 1944 to 25 January 1945.
  • The Battle of Iwo Jima

    The Battle of Iwo Jima
    The Battle of Iwo Jima was a major battle in which the United States Marine Corps and Navy landed on and eventually captured the island of Iwo Jima from the Imperial Japanese Army during World War II.
  • The Battle of Okinawa

    The Battle of Okinawa
    The Battle of Okinawa, codenamed Operation Iceberg, was a major battle of the Pacific War fought on the island of Okinawa by United States Army and United States Marine Corps forces against the Imperial Japanese Army.
  • The Death of FDR

    The Death of FDR
    Franklin Delano Roosevelt, often referred to by his initials FDR, was an American politician and attorney who served as the 32nd president of the United States from 1933 until his death in 1945.
  • The Death of Adolf Hitler

    The Death of Adolf Hitler
    Adolf Hitler was an Austrian-born German politician who was the dictator of Germany from 1933 until his death in 1945. He rose to power as the leader of the Nazi Party, becoming the chancellor in 1933 and then assuming the title of Führer und Reichskanzler in 1934
  • Atomic Bombing of Hiroshima

    Atomic Bombing of Hiroshima
    The United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on 6 and 9 August 1945, respectively. The two bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in armed conflict.
  • Atomic Bombing of Hiroshima

    Atomic Bombing of Hiroshima
    The United States detonated two nuclear weapons over the Japanese cities of Hiroshima and Nagasaki on 6 and 9 August 1945, respectively. The two bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in armed conflict.
  • 14th Amendment

    14th Amendment
    All persons born or naturalized in the United States and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside. No State shall make or enforce any law which shall abridge the privileges or immunities of citizens of the United States