Every date on the calendar carries a piece of the American story — battles won, documents signed, inventions unveiled, and lives that changed the course of a nation. Stop by each day for the moments that made this date matter.
Pick a month to walk through its anniversaries, day by day.
Signed on February 2, 1848, the Treaty of Guadalupe Hidalgo ended the Mexican-American War and reshaped North America, transferring vast territories to the United States and redefining the U.S.–Mexico border.
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The Sixteenth Amendment, ratified on February 3, 1913, fundamentally changed U.S. fiscal policy by empowering Congress to levy income taxes without apportionment among the states.
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On February 4, 1789, George Washington was unanimously elected as the first President of the United States, marking the first presidential election under the U.S. Constitution and the beginning of the executive branch.
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The Immigration Act of 1917 marked a turning point in U.S. immigration policy, introducing literacy tests, expanding exclusions, and creating the Asiatic Barred Zone amid rising nativism and World War I fears.
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On February 6, 1778, the United States and France signed the Treaty of Alliance and the Treaty of Amity and Commerce, forming a partnership that helped secure American independence during the Revolutionary War.
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Established on February 9, 1870, the National Weather Service began as a small federal effort to track storms and protect commerce, evolving into today’s essential source of weather forecasts and warnings.
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On February 11, 1809, Robert Fulton received a patent for his steamboat design, helping turn steam-powered river travel into a commercially viable force that reshaped American transportation.
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Construction of the Lincoln Memorial began on February 12, 1914, launching a monumental engineering and artistic effort that created one of America’s most enduring symbols of unity and democracy.
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Founded on February 13, 1920, the League of Women Voters emerged from the suffrage movement to educate and empower newly enfranchised voters in American democracy.
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On February 16, 1968, the first 9-1-1 call was placed in Haleyville, Alabama, launching a nationwide emergency response system that transformed public safety in America.
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Founded on February 17, 1897, the National PTA began as the National Congress of Mothers, uniting parents and teachers to improve children’s education and welfare nationwide.
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On February 18, 2001, Dale Earnhardt Sr. was killed in a final-lap crash at the Daytona 500, a tragedy that reshaped NASCAR safety standards forever.
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On February 19, 1945, U.S. Marines stormed Iwo Jima in one of World War II’s bloodiest battles, securing a strategic victory at tremendous cost.
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On February 20, 1872, The Metropolitan Museum of Art opened to the public for the first time, launching what would become one of the world’s most renowned art institutions.
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On February 23, 1945, U.S. Marines raised the American flag atop Mount Suribachi during the Battle of Iwo Jima, creating one of the most iconic and enduring images of World War II and a symbol of American courage and sacrifice.
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On February 24, 1803, the Supreme Court’s decision in Marbury v. Madison established judicial review, empowering courts to strike down laws that conflict with the U.S. Constitution.
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On February 25, 1940, the first NHL game televised in the United States aired from Madison Square Garden, marking a groundbreaking moment in sports and broadcast history.
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Established on February 26, 1929, Grand Teton National Park preserved Wyoming’s dramatic Teton Range, marking a major milestone in America’s growing conservation movement.
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On February 27, 1827, masked revelers danced through the streets of New Orleans, launching the city’s first documented Mardi Gras celebration and a tradition that endures today.
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Premiering on July 24, 1998, Saving Private Ryan redefined the war film with its realistic portrayal of World War II, honoring the courage, sacrifice, and humanity of the Greatest Generation.
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On July 23, 1996, the Magnificent Seven made Olympic history by winning the first U.S. women's gymnastics team gold medal, inspiring generations with their courage, teamwork, and unforgettable performances.
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Jeffrey Dahmer's arrest on July 22, 1991, ended one of America's most notorious serial murder cases and prompted lasting changes in criminal investigations and police procedures.
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The First Battle of Bull Run on July 21, 1861, shattered hopes for a quick Civil War victory, revealing the conflict would become a long and devastating struggle that reshaped the United States.
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On July 20, 1969, Apollo 11 changed history as Neil Armstrong and Buzz Aldrin became the first humans to walk on the Moon, marking a defining moment in exploration, innovation, and American achievement.
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Disneyland opened on July 17, 1955, transforming family entertainment with immersive storytelling, innovative attractions, and Walt Disney's vision of creating the happiest place on Earth.
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