Time line of events!
1565 - First permanent European settlement in North America - St Augustine, present-day Florida - founded by the Spanish. North America is already inhabited by several distinct groups of people, who go into decline following the arrival of settlers.
Revolution: The Continental Army fought against British rule
1607 - Jamestown, Virginia, founded by English settlers, who begin growing tobacco.
1620 - Plymouth Colony, near Cape Cod, is founded by the Pilgrim Fathers, whose example is followed by other English Puritans in New England.
17th-18th centuries - Hundreds of thousands of Africans brought over and sold into slavery to work on cotton and tobacco plantations.
1763 - Britain gains control of territory up to the Mississippi river following victory over France in Seven Years' War.
War of Independence
1774 - Colonists form First Continental Congress as Britain closes down Boston harbour and deploys troops in Massachusetts.
1775 - American Revolution: George Washington leads colonist Continental Army to fight against British rule.
1776 4 July - Thomas Jefferson's American Declaration of Independence endorsed by Congress; colonies declare independence.
1781 - Rebel states form loose confederation, codified in Articles of Confederation, after defeating the British at the Battle of Yorktown.
ABRAHAM LINCOLN
16th president preserved Union, emancipated slaves
Born in Kentucky, 1809
Known as 'Honest Abe' and the 'Great Emancipator'
His Gettysburg Address honoured the Union dead, set out the principles they died for
Assassinated in 1865
1783 - Britain accepts loss of colonies by virtue of Treaty of Paris.
1787 - Founding Fathers draw up new constitution for United States of America. Constitution comes into effect in 1788.
1789 - George Washington elected first president of USA.
1791 - Bill of Rights guarantees individual freedom.
1803 - France sells Louisiana territories to USA.
1808 - Atlantic slave trade abolished.
1812-15 - War of 1812 between the US and Britain, partly over the effects of British restrictions on US trade during the Napoleonic Wars.
19th century - Residual resistance by indigenous people crushed as immigration from Europe assumes mass proportions, with settlers moving westwards and claiming "manifest destiny" to control North America; number of states in the union rises from 17 to 45.
1846-48 - US acquires vast tracts of Mexican territory in wake of Mexican War including California and New Mexico.
Civil War
1854 - Opponents of slavery, or abolitionists, set up Republican Party.
1860 - Republican candidate Abraham Lincoln elected president.
1860-61 - Eleven pro-slavery southern states secede from Union and form Confederate States of America under leadership of Jefferson Davis, triggering civil war with abolitionist northern states.
1863 - Lincoln issues Emancipation Proclamation, declaring slaves in Confederate states to be free.
1865 - Confederates defeated; slavery abolished under Thirteenth Amendment. Lincoln is assassinated.
1876 - Sioux Indians defeat US troops at Little Big Horn.
1890 - US troops defeat Sioux Indians at Wounded Knee.
1898 - US gains Puerto Rico, Guam, the Philippines and Cuba following the Spanish-American war. US annexes Hawaii.
World War I and the Great Depression
1917-18 - US intervenes in World War I, rejects membership of League of Nations.
FRANKLIN ROOSEVELT
FDR led the US through the Great Depression and World War II
1920 - Women given the right to vote under the Nineteenth Amendment.
1920 - Sale and manufacture of alcoholic liquors outlawed. The Prohibition era sees a mushrooming of illegal drinking joints, home-produced alcohol and gangsterism.
1924 - Congress gives indigenous people right to citizenship.
1929-33 - 13 million people become unemployed after the Wall Street stock market crash of 1929 triggers what becomes known as the Great Depression. President Herbert Hoover rejects direct federal relief.
1933 - President Franklin D Roosevelt launches "New Deal" recovery programme which includes major public works. Sale of alcohol resumes.
World War II and the Cold War
1941 - Japanese warplanes attack US fleet at Pearl Harbour in Hawaii; US declares war on Japan; Germany declares war on US, which thereafter intervenes on a massive scale in World War II, eventually helping to defeat Germany.
1945 - US drops two atomic bombs on Hiroshima and Nagasaki. Japan surrenders.
1947 - US enunciates policy of aid for nations it deems threatened by communism in what became known as the Truman Doctrine. Cold War with Soviet Union begins.
1948 - America's programme to revive ailing post-war European economies - the Marshall Plan - comes into force. Some $13bn is disbursed over four years and the plan is regarded as a success.
1950-54 - Senator Joseph McCarthy carries out a crusade against alleged communists in government and public life; the campaign and its methods become known as McCarthyism. In 1954 McCarthy is formally censured by the Senate.
1950-53 - US forces play leading role against North Korean and Chinese troops in Korean War.
Desegregation and the Vietnam war
1954 - Racial segregation in schools becomes unconstitutional; start of campaign of civil disobedience to secure civil rights for Americans of African descent.
JOHN F KENNEDY
Killed by an assassin's bullet in Dallas, 1963
1960 - Democratic Party candidate John F Kennedy elected president, narrowly defeating his rival Richard Nixon.
1961 - Bay of Pigs invasion: an unsuccessful attempt to invade Cuba by Cuban exiles, organised and financed by Washington.
1962 - US compels Soviet Union to withdraw nuclear weapons from Cuba in what has become known as the Cuban missile crisis.
1963 - President John F Kennedy assassinated; Lyndon Johnson becomes president.
1964 - US steps up its military intervention in Vietnam. Civil Rights Act signed into law; it aims to halt discrimination on grounds of race, colour, religion, nationality.
1968 - Black civil rights leader Martin Luther King assassinated.
1969 - Republican Party candidate Richard Nixon elected president amid growing public opposition to Vietnam war. US military presence in Vietnam exceeds 500,000 personnel.
US astronaut Neil Armstrong becomes the first person to walk on the Moon.
MARTIN LUTHER KING JR
Civil rights leader was renowned for his stirring oratory
1972 - Nixon re-elected and makes historic visit to China.
1973 - Vietnam ceasefire agreement signed. The campaign had claimed some 58,000 American lives.
1974 - In a TV address, Nixon announces his resignation in the wake of the Watergate scandal, over a 1972 break-in at the Democratic Party headquarters. Gerald Ford is sworn-in as his successor.
1976 - Democratic Party candidate Jimmy Carter elected president.
1979 - US embassy in Tehran, Iran, seized by radical students. The 444-day hostage crisis - including a failed rescue attempt in 1980 - impacts on Carter's popularity and dominates the 1980 presidential election campaign.
Global assertiveness
1980 November - Republican Party's Ronald Reagan elected president. Reagan goes on to adopt a tough anti-communist foreign policy and tax-cutting policies which lead to a large federal budget deficit.
1981 January - Iran frees the 52 US embassy hostages, on the same day as President Reagan's inauguration.
RONALD REAGAN
Former president, said to have restored US self-confidence
1983 - US invades Caribbean nation of Grenada, partly prompted by its concerns over the island's ties with Cuba.
1984 - Ronald Reagan re-elected president, beating Democratic Party candidate Walter Mondale.
1986 January - Space shuttle Challenger explodes shortly after take off from Cape Canaveral. All seven crew members are killed. Manned space flights are suspended until September 1988.
1986 - US warplanes bomb Libyan cities. "Irangate" scandal uncovered, revealing that proceeds from secret US arms sales to Iran were used illegally to fund Contra rebels in Nicaragua.
1988 - Reagan's vice-president, George Bush, elected president.
1989 - US troops invade Panama, oust its government and arrest its leader, one-time Central Intelligence Agency informant General Manuel Noriega, on drug-trafficking charges.
1991 - US forces play dominant role in war against Iraq, which was triggered by Iraq's invasion of Kuwait and ended with the expulsion of Iraqi troops from that country.
The Clinton years
1992 - Democratic Party candidate Bill Clinton elected president.
1992 - Congress passes North American Free Trade Agreement, or Nafta, intended to create free-trade bloc among US, Canada and Mexico.
THE US IN SPACE
Shuttle programme goes on despite losses of two craft
1995 - Oklahoma bomb kills more than 160 people in worst ever incident of its kind in US.
1996 - Clinton re-elected, beating Republican rival Bob Dole.
1998 - Scandal over Clinton's purported sexual impropriety with White House worker Monica Lewinsky dominates domestic political agenda and leads to impeachment proceedings in Congress.
1999 March-June - US plays leading role in Nato bombardment of Yugoslavia in response to Serb violence against ethnic Albanians in the province of Kosovo.
Democrats lose
2000 November - Republican Party's George W Bush wins presidency.
The timeline goes on to the next page!