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This Saturday, July 4, the United States turns 250 years old. The date marks a quarter of a millennium since the Continental Congress adopted the Declaration of Independence in 1776. The anniversary is often called the Semiquincentennial.
The story it celebrates began long before that summer. It runs from a tax revolt to a global superpower. Along the way it holds moments of great pride and deep shame.
A Break With Britain
By the 1760s, 13 British colonies stretched along the Atlantic coast of North America. For generations, Britain had mostly left them to manage their own local affairs. That loose arrangement is sometimes called salutary neglect.
Everything changed after the French and Indian War ended in 1763. The long fight against France left Britain deep in debt. British leaders decided the colonies should help pay the bill.

A wave of new taxes followed. The Sugar Act came in 1764, and the Stamp Act arrived in 1765. The Stamp Act taxed printed items such as newspapers, contracts and playing cards.
Colonists were furious. They had no members in the British Parliament, so they insisted Parliament had no right to tax them. Their rallying cry became “no taxation without representation.”
Resistance spread quickly. Groups called the Sons of Liberty organized boycotts and protests. Colonies traded letters through committees of correspondence to coordinate their response.
Britain kept pressing, and tempers kept rising. In 1770, British soldiers fired into an angry crowd in the Boston Massacre, killing five colonists. In 1773, protesters dumped chests of British tea into Boston Harbor in the Boston Tea Party.
Britain punished Massachusetts with a set of harsh laws in 1774. Colonists called them the Intolerable Acts, and one of them closed the port of Boston. The move united the colonies in anger rather than fear.
Delegates from 12 colonies met in Philadelphia in the fall of 1774. This First Continental Congress agreed to boycott British goods and to meet again. War was drawing near.
The Declaration and the Revolution
Fighting broke out on April 19, 1775, at Lexington and Concord in Massachusetts. The first shots there became known as the “shot heard round the world.” Local militias drove British troops back toward Boston.
The Second Continental Congress met weeks later and prepared for war. It named George Washington of Virginia to command the new Continental Army. Even then, many colonists still hoped to make peace with Britain.
That hope faded during the next year. A pamphlet called “Common Sense,” written by Thomas Paine in early 1776, urged a full break. Its plain language convinced many ordinary people to support independence.

In June 1776, Congress chose a committee to draft a formal statement. Thomas Jefferson wrote most of it, with edits from Benjamin Franklin and John Adams. Their goal was to explain to the world why the colonies were leaving.
Congress voted for independence on July 2, 1776. It approved the final wording of the Declaration of Independence on July 4. That second date became the one the nation would celebrate.
The Declaration made a bold claim for its time. It stated that all men are created equal and hold rights to life, liberty and the pursuit of happiness. It then listed the colonists’ many complaints against King George III.
The war itself was long and hard. American troops suffered through a brutal winter at Valley Forge in 1777 and 1778. Supplies were short, and many soldiers went hungry and cold.
A turning point came at the Battle of Saratoga in 1777. The American victory there convinced France to join the war as an ally. French money, ships and soldiers gave the Americans a fighting chance.

The end came at Yorktown, Virginia, in 1781. Washington’s army, backed by French forces, trapped a large British army and forced it to surrender. Major fighting stopped after that defeat.
Britain formally recognized American independence in the Treaty of Paris in 1783. A new nation stood on its own for the first time. The harder work of building a lasting government still lay ahead.
Writing the Constitution
The first American government proved far too weak to last. It ran under a plan called the Articles of Confederation, approved in 1781. That plan gave almost all power to the states and very little to the nation.
The weaknesses showed up fast. The national government could not tax, raise a reliable army or settle disputes between states. It struggled to pay its debts from the war.
A revolt in Massachusetts made the danger clear. In 1786 and 1787, angry farmers led by Daniel Shays rose up against debt and high taxes. The uprising frightened leaders who wanted a stronger union.
Delegates gathered in Philadelphia in May 1787 to repair the system. Instead of patching the old plan, they wrote a new one from scratch. George Washington presided over the closed-door meetings.
The delegates argued through a long, hot summer. Large and small states fought over how many votes each should get in the new government. The Great Compromise settled it by creating two chambers of Congress.
One chamber, the House, would be based on population. The other, the Senate, would give every state two seats. This balance calmed the fears of smaller states.
Slavery cast a long shadow over the debates. Southern delegates insisted that enslaved people count toward their states’ population and power. The Three-Fifths Compromise counted each enslaved person as three-fifths of a person, a bargain that protected slavery.
The finished Constitution created three branches of government. A Congress would write the laws, a president would carry them out and courts would interpret them. A system of checks and balances kept any one branch from ruling alone.

The plan still had to win approval from the states. Supporters called Federalists argued for it in a famous series of essays known as the Federalist Papers. Opponents called Anti-Federalists warned that the plan lacked protection for individual rights.
To settle those fears, supporters promised a Bill of Rights. The first 10 amendments took effect in 1791. They guaranteed freedoms such as speech, religion, the press and fair trials.
George Washington became the first president in 1789. He set many early examples, including the choice to step down after two terms. The new republic was up and running.
Growth and a Deep Divide
The young country soon began to spread west. In 1803, President Thomas Jefferson bought the Louisiana Territory from France. The Louisiana Purchase doubled the size of the United States overnight.
Jefferson sent explorers Meriwether Lewis and William Clark to map the new land. Their long journey reached the Pacific coast and back. It opened the door to decades of westward settlement.
The young nation soon faced Britain again in the War of 1812. Britain had been seizing American ships and forcing American sailors to serve in its navy. It was also arming Native American groups who resisted U.S. settlers on the frontier.
The United States declared war in June 1812. The conflict is sometimes called the Second War of Independence. Many Americans saw it as a fight to defend the freedom won in the Revolution.

The war brought some hard blows. British troops marched into Washington in 1814 and burned the White House and the Capitol. The young government was forced to flee its own capital.
The country rallied after that low point. The defense of Fort McHenry in Baltimore inspired the poem that became “The Star-Spangled Banner.” Gen. Andrew Jackson led a stunning victory at the Battle of New Orleans in early 1815.
A peace treaty signed in late 1814 ended the war and restored the prewar borders. Britain never again threatened American independence. National pride surged, and a belief took hold that the country was destined to reach the Pacific.
That growth came at a terrible cost to Native Americans. The Indian Removal Act of 1830 forced many tribes off their homelands. Thousands of Cherokee died on the deadly march west known as the Trail of Tears.
Expansion also deepened the nation’s oldest wound. The economy of the South depended on the labor of enslaved Black people. Cotton made planters rich while millions lived in bondage.
Two main political parties dominated the country in these years. The Democratic Party and the Whig Party competed for power across the nation. Slavery would soon tear that system apart.
The country fought bitterly over whether slavery could spread to new states and territories. Deals such as the Missouri Compromise of 1820 tried to hold the peace. Each new territory reopened the same painful question.
The fight exploded again in 1854. The Kansas-Nebraska Act let settlers in those territories vote on whether to allow slavery. The law was pushed by Democratic Sen. Stephen Douglas of Illinois.
The act enraged Americans who opposed the spread of slavery. It also split the Whig Party in two. Northern and Southern Whigs could no longer agree, and the party fell apart.
Out of that collapse rose a new party. The Republican Party formed in 1854 to stop the spread of slavery into the territories. It drew in former Whigs, anti-slavery Democrats and members of the small Free Soil Party.
The Democratic Party remained the stronghold of the slaveholding South. Its Southern wing defended slavery as vital to the region’s economy and way of life. The two parties now stood on opposite sides of the nation’s deepest divide.
The disputes grew worse through the rest of the 1850s. A Supreme Court ruling in the Dred Scott case in 1857 denied citizenship to Black Americans. The decision inflamed the North and hardened both sides.
Matters reached a breaking point in the election of 1860. The Republican candidate was Abraham Lincoln, a former Whig from Illinois. He opposed the spread of slavery, though he did not yet call for ending it everywhere.

Lincoln won the White House that November. He became the first Republican president in the nation’s history. Several Southern states refused to accept the result and voted to leave the Union.
The departing states formed the Confederate States of America. The Civil War began in April 1861 with an attack on Fort Sumter. It became the deadliest conflict in American history, with more than 600,000 soldiers dead over four years.
Lincoln reframed the war as a fight over slavery itself. His Emancipation Proclamation of 1863 declared enslaved people in the rebel states to be free. The Union finally won the war in the spring of 1865.
Victory was quickly followed by tragedy. An assassin killed Lincoln just days after the South surrendered. The nation was left to rebuild without its wartime leader.
Republicans in Congress pushed through three new amendments to secure the peace. They ended slavery, granted citizenship to formerly enslaved people and protected the right to vote. Most Democrats in Congress opposed these measures.
This period of rebuilding the South was called Reconstruction. Federal troops enforced the new rights, and Black men voted and held office for the first time. For a brief span, the promise of equality seemed within reach.
That progress did not last. As Reconstruction ended, white Democratic governments took control across the South. They passed Jim Crow laws that enforced racial segregation and stripped away Black voting rights.
Equality under the law would remain out of reach for generations. Southern Democrats held a tight grip on the region for decades. The struggle to make good on the amendments would stretch far into the next century.
An Industrial Power Rises
The decades after the Civil War transformed the country. A transcontinental railroad linked the coasts in 1869. Steel, oil and machinery powered a booming new economy.
A handful of business leaders built vast empires. John D. Rockefeller dominated oil, and Andrew Carnegie ruled steel. Their enormous fortunes gave this era the name the Gilded Age.
Cities swelled as people poured in to find work. Millions of immigrants arrived from Europe and Asia in search of a better life. Many entered through Ellis Island, which opened in New York Harbor in 1892.
The new wealth sat beside harsh conditions. Factory workers, including children, labored long hours for low pay. Crowded slums and unsafe workplaces became common in growing cities.
Workers began to organize and demand change. Labor unions pushed for shorter hours, better pay and safer jobs. Strikes sometimes turned violent as owners fought back.

A wave of reform followed in the early 1900s. This Progressive Era targeted corruption, unsafe food and cruel labor practices. Writers known as muckrakers exposed abuses to the public.
Reformers won lasting victories. The government broke up some giant monopolies and passed the first food and drug safety laws. Women pressed hard for the right to vote.
Their long campaign finally succeeded. The 19th Amendment gave women the vote across the nation in 1920. The country was changing, though slowly and unevenly.
The Great Depression and Two World Wars
The 20th century pulled the United States onto the world stage. It entered World War I in 1917 and helped the Allies win. President Woodrow Wilson hoped the war would make the world safe for democracy.
Peace did not bring calm for long. The 1920s roared with new cars, radios and music. Then the stock market crashed in 1929 and the Great Depression set in.
The Depression was the worst economic crisis the country had ever known. Banks failed, businesses closed and about one in four workers lost their jobs. Families lost their savings, their homes and often their hope.

Nature made the suffering worse across the middle of the country. Years of drought and poor farming turned the Southern Plains into a wasteland in the 1930s. Enormous dust storms buried farms in a disaster known as the Dust Bowl.
The storms drove hundreds of thousands of families off their land. Many packed what they could and headed west to California to look for work. Their hard journey came to stand for the whole decade’s despair.
President Franklin D. Roosevelt answered with a bold plan called the New Deal. His programs put people back to work building roads, parks and public buildings. One of them, Social Security, still supports older Americans today.
A far greater danger was rising overseas. Japan attacked the U.S. naval base at Pearl Harbor, Hawaii, on Dec. 7, 1941. The surprise strike pulled the nation into World War II.

The attack united a country still worn down by the Depression. Millions of men joined the armed forces, and millions more poured into the factories. Women took over assembly lines in numbers never seen before.
American industry then roared to life on a scale the world had never witnessed. Plants that once built cars now turned out tanks, planes and warships at a stunning pace. Roosevelt called the country the great arsenal of democracy.
The war effort finally pulled the nation out of the Depression. Jobs were suddenly everywhere, and paychecks flowed again. The same factories that had sat idle now ran day and night.
The United States built a fighting force that could win on two sides of the globe. Its troops battled Nazi Germany in Europe and imperial Japan in the Pacific. Few nations in history had ever waged war on such a scale.
At sea, the country built the most powerful navy the world had ever seen. Its fleets of aircraft carriers came to rule the vast Pacific Ocean. The 1942 victory at the Battle of Midway turned the tide against Japan.
In Europe, American forces joined their allies to drive Germany back. The D-Day landings in France in June 1944 opened the road to victory. Allied armies then closed in on Germany from east and west.

The war exposed horrors on a scale hard to imagine. Nazi Germany murdered 6 million Jews in the Holocaust. The fighting killed tens of millions of people around the world.
The war also drove enormous leaps in technology. Radar, code-breaking and new aircraft changed the way battles were fought. Germany built the first long-range rockets, and the United States later brought German rocket scientists home to launch its own program.
The greatest secret of the war was a new and terrible weapon. In a massive effort called the Manhattan Project, American scientists raced to build an atomic bomb. They succeeded with the first test blast in the New Mexico desert in July 1945.
Germany surrendered in May 1945, but Japan fought on. That August, the United States dropped atomic bombs on the cities of Hiroshima and Nagasaki. Japan surrendered within days, and World War II was over.

No other nation has ever used such a weapon in war. The United States remains the only country in the world to have done so. The bombs ended the fighting but opened a fearful new age.
The country emerged from the war stronger than any other. Its factories, its military and its economy led the world. The United States had become a global superpower.
The Cold War and the Fight for Rights
A tense standoff soon defined world affairs. The United States and the Soviet Union became rivals in what was called the Cold War. The two powers competed for influence without fighting each other directly.
The rivalry shaped nearly everything. The nations built huge stockpiles of nuclear weapons. They came dangerously close to war during the Cuban Missile Crisis in 1962.

That crisis unfolded under President John F. Kennedy, a young leader who had inspired hopes of a new era. On Nov. 22, 1963, Kennedy was assassinated in Dallas, Texas. His death stunned the country, and Vice President Lyndon Johnson was sworn in that same day.
The Cold War often turned hot in distant lands. American troops fought in Korea in the early 1950s to stop a communist invasion of the South. That war ended in a stalemate that still divides Korea today.
The longest and most painful of these fights came in Vietnam. The United States backed South Vietnam against communist forces from the North. Leaders feared that if one nation fell to communism, others would follow.
American involvement grew through the 1960s. After a reported clash at sea in 1964, President Lyndon Johnson sent in large numbers of combat troops. At its peak, more than half a million Americans were serving in Vietnam.

The war proved brutal and hard to win. It was the first war brought into living rooms each night on television. The Tet Offensive in 1968 shook Americans who had been told that victory was near.
The war also tore at the home front. Huge protests spread across the country, especially among young people facing the military draft. In 1970, National Guard troops shot and killed four students during a protest at Kent State University in Ohio.
President Richard Nixon began pulling troops out and handing the fight to the South Vietnamese. A peace deal in 1973 ended direct American combat. Two years later, the North captured Saigon and united Vietnam under communist rule.
The cost was staggering. About 58,000 Americans died, along with millions of Vietnamese. The war left deep scars and shook the nation’s faith in its leaders.
The competition even reached the stars. A space race pushed both nations to new heights. American astronauts landed on the moon in July 1969.
At home, a long struggle for equality gathered force. Millions of Black Americans still lived under unjust segregation laws. A powerful civil rights movement set out to change that.
The movement won key victories step by step. The Supreme Court struck down school segregation in Brown v. Board of Education in 1954. A bus boycott in Montgomery, Alabama, launched a wider campaign of nonviolent protest.

The Rev. Martin Luther King Jr. became the movement’s leading voice. He led the huge March on Washington in 1963 and called for a nation free of racism. His work helped push Congress to act.
Two landmark laws followed. The Civil Rights Act of 1964 outlawed discrimination, and the Voting Rights Act of 1965 protected the ballot. These laws reshaped American life.
King did not live to see the full change he sought. He was assassinated in Memphis, Tennessee, in 1968. His death shocked the nation and set off grief and unrest in cities across the country.
Other groups pressed for their rights as well. Women, farmworkers and others organized for fair treatment and equal pay. The push for a more equal country continued in many forms.
The Cold War finally ended near the century’s close. The Soviet Union collapsed in 1991. The United States stood alone as the world’s only superpower.
America Today
The new century began with a shock. Terrorists hijacked four planes and attacked the country on Sept. 11, 2001. Nearly 3,000 people died in New York, Washington and a Pennsylvania field.
The attacks launched what leaders called the Global War on Terror. The United States invaded Afghanistan to strike at al-Qaida and later invaded Iraq in 2003. The two conflicts dragged on for years and cost thousands of American lives.

The war in Afghanistan stretched on for about two decades. It finally ended in August 2021 under President Joe Biden. The withdrawal grew chaotic and deadly as the Taliban swept back into power within days.
A suicide bombing at the Kabul airport killed 13 U.S. service members and about 170 Afghans. The pullout drew fierce criticism from across the political spectrum. Defenders noted that President Donald Trump had signed a 2020 deal with the Taliban that set the exit in motion, while critics faulted the Biden administration’s planning.
The economy delivered a shock of its own in 2008. A collapse in the housing market set off the worst financial crisis since the Great Depression. Banks failed, markets crashed, and millions of Americans lost jobs, homes and savings.
The downturn became known as the Great Recession. The government stepped in with huge bailouts and spending to stop the slide. Recovery came slowly over the years that followed.

That same year brought a historic first. Voters elected Barack Obama as the first Black president. His victory marked a milestone in the nation’s long story on race.
Technology reshaped daily life at a dizzying pace. The internet, smartphones and social media changed how people work, shop and connect. Information now travels around the world in an instant.
American politics grew sharper and more divided. In 2016, voters elected Donald Trump, a businessman and former television star who had never held public office. His rise thrilled his supporters and alarmed his opponents.
Trump’s first term was marked by near-constant conflict. A long federal investigation examined Russian interference in the 2016 election and any ties to his campaign. The probe found that Russia had interfered but did not establish a criminal conspiracy with the campaign, and Trump and his allies branded the affair a politically driven witch hunt.

The clashes deepened during his term. The House impeached Trump in 2019 after he pressed Ukraine’s leader to investigate Joe Biden, his likely 2020 rival, while U.S. military aid to Ukraine was held up. The Senate acquitted him in early 2020.
That request had a tangled backdrop. Biden’s son Hunter had served on the board of a Ukrainian gas company, Burisma, while his father was vice president. Years earlier, Biden had pushed Ukraine to fire a prosecutor by threatening to withhold $1 billion in U.S. loan guarantees, a moment he later recounted on video.
Trump’s supporters saw that history as proof of Biden family corruption. But the prosecutor was widely seen as soft on graft, and his removal was backed by U.S. allies and anti-corruption groups. Investigations, including some led by Republicans, did not establish wrongdoing by Joe Biden.
Trump remained a deeply polarizing figure heading into the next election.
A global disaster struck in 2020. A new virus called COVID-19 spread across the world and became a deadly pandemic. It killed more than 1 million Americans and shut down schools, businesses and daily life.
The pandemic reshaped the 2020 presidential election. Many states expanded mail-in voting so people could avoid crowded polling places. Joe Biden defeated Trump in a close and bitter contest.
Trump refused to accept the result. He and many supporters said the election had been stolen, pointing especially at mail-in ballots. Courts, recounts and election officials across the country found no evidence of fraud that could have changed the outcome.

The dispute came to a head on Jan. 6, 2021. A crowd of Trump supporters stormed the U.S. Capitol as Congress met to certify Biden’s win. The attack halted the count for hours and left scores of police officers injured and the building damaged.
Four people died in and around the Capitol that day. The only one killed by force was Ashli Babbitt, an unarmed Air Force veteran shot by a police officer as she climbed through a barricaded doorway near the House chamber. The three others died of medical emergencies.
The officer who shot Babbitt was investigated and not charged, a decision her family still disputes. No officer was killed at the scene that day. Officer Brian Sicknick, who had been sprayed with a chemical irritant, collapsed and died of a stroke the next day, in a death the medical examiner ruled to be from natural causes.
People still argue over what to call that day. Some describe it as an insurrection, while others call it a riot or a protest that turned violent. The Justice Department launched one of the largest investigations in its history and charged more than 1,500 people, most of whom pleaded guilty or were convicted.
The cases sparked lasting debate. Supporters of the defendants said some were jailed too long before trial and treated harshly, and argued that many had done little more than enter the building. Prosecutors countered that hundreds were charged with assaulting police or carrying weapons.
The House impeached Trump a second time, blaming him for the attack. The Senate again voted to acquit. No president in history had been impeached twice.
The events of that day still stir fierce dispute. Some lawmakers and commentators claim that federal agents or informants helped provoke the attack, and released Capitol footage has fueled those theories. A Justice Department inspector general found that the FBI had confidential sources in the crowd, but reported that none were authorized to enter the Capitol or encourage violence.

Trump then completed a rare political comeback following an assassination attempt. He won the White House again in 2024 and returned to office in January 2025. On his first day, he pardoned or commuted the sentences of nearly 1,600 people charged in the Capitol attack.
The nation today remains vast and varied. It is home to more than 340 million people from nearly every background on Earth. It is also deeply divided over its history, its leaders and its future.
A Nation Still Being Written
Two hundred fifty years is a long life for any nation. The United States has grown from 13 colonies into 50 states and a continental power. Rights that once belonged only to a few now reach far more people.
The story has never been simple or smooth. The country has broken its own promises many times, from slavery to segregation to broken treaties. Each failure has demanded a reckoning.

Yet the nation has also shown a stubborn ability to change. It has amended its laws, widened its freedoms and corrected its course again and again. That struggle to improve is woven into its history.
That mix of promise and failure defines the American experiment. On Saturday’s anniversary, the country looks back on where it has been. It also faces the same question the founders left behind, which is what kind of nation it wants to be.

