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How many states are in the United States?
The United States is made up of 50 states. The last two to join were Alaska and Hawaii, both admitted in 1959.
What is the capital of the United States?
Washington, D.C. has been the capital of the United States since 1790. It was specifically designed to serve as the nation's capital and is not part of any state.
Which river is the longest in the United States?
The Missouri River stretches approximately 2,341 miles, making it the longest river in the United States. It is longer than the Mississippi River (2,320 miles), though the Mississippi-Missouri system combined is often cited together.
What is the largest state in the US by area?
Alaska is by far the largest US state at about 665,384 square miles — more than twice the size of Texas, the second-largest state.
Which US state is known as the "Sunshine State"?
Florida is officially nicknamed the "Sunshine State" due to its warm, sunny climate. The nickname was officially adopted in 1970.
Who was the first President of the United States?
George Washington served as the first President of the United States from 1789 to 1797. He is often called the "Father of His Country."
In what year did the United States declare independence from Great Britain?
The Declaration of Independence was adopted on July 4, 1776. This date is celebrated annually as Independence Day in the United States.
What mountain is the tallest in the United States?
Denali in Alaska stands at 20,310 feet (6,190 meters), making it the tallest mountain in North America. It was formerly known as Mount McKinley.
How many stripes are on the US flag?
The US flag has 13 stripes — 7 red and 6 white — representing the original 13 colonies that declared independence from Britain and became the first states.
Which US national park was the first to be established?
Yellowstone National Park was established on March 1, 1872, making it the first national park in the United States and in the world. It spans parts of Wyoming, Montana, and Idaho.
Which amendment to the US Constitution abolished slavery?
The 13th Amendment, ratified in 1865, abolished slavery and involuntary servitude throughout the United States. It was the first of the Reconstruction Amendments.
What faces are carved into Mount Rushmore?
Mount Rushmore features George Washington, Thomas Jefferson, Theodore Roosevelt, and Abraham Lincoln. The sculpture was carved between 1927 and 1941 in the Black Hills of South Dakota.
Which state was the last to join the United States?
Hawaii became the 50th state on August 21, 1959, just months after Alaska became the 49th state on January 3, 1959.
How many justices serve on the US Supreme Court?
The US Supreme Court has nine justices: one Chief Justice and eight Associate Justices. This number has been set at nine since 1869.
The Statue of Liberty was a gift from which country?
The Statue of Liberty was a gift from France, dedicated on October 28, 1886. It was designed by French sculptor Frederic Auguste Bartholdi with a metal framework built by Gustave Eiffel.
Which US president served the shortest term in office?
William Henry Harrison served only 31 days as president before dying of pneumonia on April 4, 1841. He delivered the longest inaugural address in history — in cold, wet weather without a coat.
What is the smallest US state by area?
Rhode Island is the smallest state at just 1,545 square miles. Despite its small size, its official name is the longest: "State of Rhode Island and Providence Plantations" (until 2020 when voters shortened it).
Which war was fought between the North and South of the United States from 1861 to 1865?
The American Civil War (1861–1865) was fought between the Union (North) and the Confederacy (South), primarily over the issues of slavery and states' rights. It remains the deadliest war in American history.
What is the most populous state in the United States?
California is the most populous US state with approximately 39 million residents. It has been the most populous state since surpassing New York in the 1960s.
Which document begins with the words "We the People"?
The US Constitution begins with the famous preamble: "We the People of the United States, in Order to form a more perfect Union..." It was signed on September 17, 1787.
Which US territory is the largest by population?
Puerto Rico is the most populous US territory with about 3.2 million residents. It has been a US territory since 1898 and its residents are US citizens.
Who wrote the Declaration of Independence?
Thomas Jefferson was the principal author of the Declaration of Independence in 1776. He drafted it over 17 days at the age of 33, with edits from Benjamin Franklin and John Adams.
What is the national bird of the United States?
The Bald Eagle became the national bird in 1782 when it was placed on the Great Seal. Benjamin Franklin famously argued for the wild turkey instead, calling the eagle "a bird of bad moral character."
The Grand Canyon is located in which US state?
The Grand Canyon is located in Arizona. It is 277 miles long, up to 18 miles wide, and over a mile deep. It was carved by the Colorado River over millions of years.
Which US state produces the most oil?
Texas is the largest oil-producing state in the US, accounting for roughly 40% of total US crude oil production. The state has been a major oil producer since the Spindletop gusher in 1901.
Who delivered the famous "I Have a Dream" speech in 1963?
Martin Luther King Jr. delivered his iconic "I Have a Dream" speech on August 28, 1963, during the March on Washington. Over 250,000 people attended the event at the Lincoln Memorial.
Which amendment gives US citizens the right to bear arms?
The 2nd Amendment to the US Constitution protects the right to keep and bear arms. It was ratified in 1791 as part of the Bill of Rights.
What is the largest Great Lake by surface area?
Lake Superior is the largest of the Great Lakes with a surface area of 31,700 square miles. It is also the largest freshwater lake in the world by surface area.
Which American inventor is credited with inventing the light bulb?
Thomas Edison is credited with inventing the first practical incandescent light bulb in 1879. While others had created earlier versions, Edison's design was the first commercially viable one, lasting over 1,200 hours.
What is the most visited national park in the United States?
Great Smoky Mountains National Park in Tennessee and North Carolina is the most visited national park, drawing over 12 million visitors annually — more than double the next most visited park.
Which US president purchased the Louisiana Territory from France in 1803?
Thomas Jefferson purchased the Louisiana Territory from Napoleon Bonaparte for $15 million in 1803, roughly doubling the size of the United States. The deal worked out to about 4 cents per acre.
What is the Electoral College and what does it determine?
The Electoral College is a body of 538 electors who formally elect the President and Vice President. A candidate needs 270 electoral votes to win. Each state gets electors equal to its number of senators plus representatives.
Which state was the first to ratify the US Constitution?
Delaware ratified the Constitution on December 7, 1787, earning it the nickname "The First State." Pennsylvania followed five days later.
The attack on Pearl Harbor in 1941 brought the US into which war?
The Japanese attack on Pearl Harbor on December 7, 1941, led the United States to enter World War II. President Franklin D. Roosevelt called it "a date which will live in infamy."
Which famous American woman refused to give up her bus seat in Montgomery, Alabama, in 1955?
Rosa Parks refused to give up her seat on a Montgomery city bus on December 1, 1955. Her arrest sparked the Montgomery Bus Boycott, a pivotal event in the civil rights movement that lasted 381 days.
What is the GDP of the United States approximately, making it the world's largest economy?
The US GDP is approximately $25-28 trillion, making it the world's largest national economy. It accounts for roughly 25% of the global GDP.
Which Constitutional amendment granted women the right to vote in the United States?
The 19th Amendment, ratified on August 18, 1920, prohibited denying the right to vote based on sex. It was the result of decades of activism by the women's suffrage movement.
Which US city is known as the "Windy City"?
Chicago, Illinois, is famously known as the "Windy City." While many assume the nickname refers to weather, it likely originated from political commentary about the city's "windy" politicians in the 19th century.
The US Constitution establishes three branches of government. Which branch does the President head?
The President heads the Executive branch, which is responsible for enforcing laws. The Legislative branch (Congress) makes laws, and the Judicial branch (courts) interprets them.
Which state is home to the Kennedy Space Center, where NASA launches most of its rockets?
The Kennedy Space Center is located on Merritt Island in Florida. It has been the launch site for every US human spaceflight since 1968, including the Apollo moon missions and Space Shuttle program.
Which US president is the only one to have served two non-consecutive terms?
Grover Cleveland served as both the 22nd (1885-1889) and 24th (1893-1897) President of the United States, making him the only president to serve two non-consecutive terms.
What is the longest river system in the United States when measured as a single waterway?
The Mississippi-Missouri river system is the longest in North America at about 3,902 miles combined. When measured as a single continuous waterway from the Missouri's source to the Mississippi's mouth, it exceeds any individual river.
Which amendment to the US Constitution lowered the voting age from 21 to 18?
The 26th Amendment, ratified in 1971, lowered the voting age to 18. It was largely driven by the argument that if 18-year-olds could be drafted to fight in Vietnam, they should be able to vote.
What was the original purpose of the Hoover Dam, completed in 1936?
The Hoover Dam on the Colorado River was built to control flooding, provide irrigation water, and generate hydroelectric power for the Southwest. Lake Mead, the reservoir it created, is the largest in the US by water capacity.
Which US state has the most counties?
Texas has the most counties of any US state with 254. Georgia is second with 159 counties, followed by Virginia with 133 (95 counties plus 38 independent cities).
The Mason-Dixon line historically divided which regions of the United States?
The Mason-Dixon line, surveyed in the 1760s to settle a border dispute between Pennsylvania and Maryland, became the symbolic boundary between the free North and the slaveholding South before the Civil War.
What is the only US state that was once an independent republic with its own foreign embassies?
Texas was an independent republic from 1836 to 1845, with its own president, congress, and foreign embassies in London, Paris, and Washington. It joined the United States in 1845 as the 28th state.
Which famous American author wrote "The Great Gatsby"?
F. Scott Fitzgerald published "The Great Gatsby" in 1925. Though it received mixed reviews at first, it is now considered one of the greatest American novels, exploring themes of wealth, class, and the American Dream.
What is the driest state in the United States by average annual precipitation?
Nevada is the driest state, receiving an average of only about 10 inches of precipitation per year. Its name ironically comes from the Spanish word for "snow-covered."
Which sport is considered America's national pastime?
Baseball has been called America's national pastime since the late 19th century. The first professional baseball team, the Cincinnati Red Stockings, was founded in 1869, and Major League Baseball has been played since 1903.
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