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The American Revolutionary War
The American Revolution was a significant political and military conflict that took place on April 19, 1775 and September 3, 1783. During this period, thirteen of Britain's North American colonies refused to accept its imperial rule. The protest was initiated against taxes imposed by the British monarchy and Parliament without colonial representation. -
Declaration of Independence was ratified
The Continental Congress adopted the Declaration of Independence on July 4, 1776. It was engrossed on parchment and on August 2, 1776, delegates began signing it. -
The US Constitution was written
Drafted in secret by delegates to the Constitutional Convention during the summer of 1787, this four-page document, signed on September 17, 1787, established the government of the United States. -
Louisiana Purchase Treaty
In 1803, the United States purchased 828,000 square miles of land west of the Mississippi River from France for $15 million. -
Lewis and Clark Expedition
In 1803, the United States purchased 828,000 square miles of land west of the Mississippi River from France for $15 million. The Lewis and Clark Expedition, which took place from 1804 to 1806, was a military exploration of the Louisiana Purchase and the Pacific Northwest led by Captain Meriwether Lewis and Lieutenant William Clark. -
Civil War
The American Civil War was initiated on April 12, 1861, when Confederate forces launched an attack on Union soldiers stationed at Fort Sumter in South Carolina. The war lasted for four years and ended in the Spring of 1865. On April 9, 1865, Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse, officially marking the end of the Civil War. -
Gettysburg Address
The Gettysburg Address was delivered with the aim of commemorating the establishment of a new National Cemetery at Gettysburg. It also served as a statement of President Lincoln's purpose for continuing the fight to win the Civil War, which was to abolish slavery and reunite the Union. -
Abraham Lincoln Assassination
History remembers only a few: Lincoln and his wife, Mary, who sat in a private box on the second level; John Wilkes Booth, who entered the box and shot Lincoln with a pistol and the president's guests, Clara Harris and Henry Rathbone, who was wounded while trying to apprehend Booth as he fled.
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Gilded Age
In United States history, the Gilded Age is roughly the period from about the 1870s to 1900, which occurred between the Reconstruction Era and the Progressive Era. The Gilded Age in America was a time of great economic and social change, with vast fortunes being made and lost amidst conflict between traditional and new systems. -
Smallpox Epidemic
The Smallpox Pandemic of 1870-1874
The Vaccination Act of 1853 inspired by the Epidemiological Society of London was the cause of the incidence and fatality of the pandemic being less in the United Kingdom than in foreign countries.
Origin of pandemic in France before the outbreak of Franco-Prussian War. It spread throughout the country. Vaccination state of civilian population and army in France in 1870. -
Battle of the Little Bighorn
On June 25, 1876, while the country was celebrating its anniversary at the Philadelphia Centennial Exposition, the 7th Cavalry, led by Lieutenant Colonel George Armstrong Custer, was defeated by Lakota and Northern Cheyenne warriors under the leadership of Sitting Bull in the Battle of the Little Bighorn. Although it was a significant victory for the Native Americans against U.S. expansionism, it also marked the beginning of the end of Native American sovereignty over the West. -
Alexander Graham Telephone Invention
On March 7, 1876, Alexander Graham Bell successfully received a patent for the telephone and secured the rights to the discovery. Days later, he made the first-ever telephone call to his partner, Thomas Watson. -
Thomas Edison perfects the lightbulb
It took more than a year for Thomas Alva Edison and his team to "perfect" the incandescent light bulb, which they accomplished on the morning of October 22, 1879 after working through October 21 of the same year. -
The Wright Brothers Invention of the Airplane
Wilbur and Orville Wright spent four years researching and developing the first successful powered airplane, which was the 1903 Wright Flyer. On December 17, 1903, Orville piloted the Flyer at Kitty Hawk, North Carolina. -
The Wright Brothers invent the airplane
Wilbur and Orville Wright spent four years researching and developing the first successful powered airplane, which was the 1903 Wright Flyer. On December 17, 1903, Orville piloted the Flyer at Kitty Hawk, North Carolina. -
Panama Canal
The Panama Canal is indeed a critical cornerstone of global maritime transportation. It serves as a vital link between the Atlantic and Pacific Oceans, enabling ships to avoid the lengthy and hazardous voyage around Cape Horn at the southern tip of South America. -
World War I
World War I was a global conflict fought between two coalitions: the Allies and the Central Powers. Battles took place throughout Europe, the Middle East, Africa, the Pacific, and parts of Asia. -
18th Amendment (Prohibition on alcohol)
The Eighteenth Amendment to the United States Constitution established Prohibition in the United States. It was proposed by Congress on December 18, 1917, and ratified by the requisite number of states on January 16, 1919. -
Influenza Outbreak
The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, was an exceptionally deadly global influenza pandemic caused by the H1N1 influenza A virus. -
19th Amendment
The Nineteenth Amendment of the United States Constitution makes it illegal for the United States and its states to deny the right to vote to any citizen based on their sex. This amendment essentially recognizes the right of women to vote. -
Great Depression
The Great Depression, which started in August 1929, was the most prolonged and severe downturn ever faced by the United States and the modern industrial economy. The period marked the end of the economic boom known as the Roaring Twenties. The contraction was punctuated by a series of financial crises that further worsened the situation. -
Great Depression
The Great Depression, which started in August 1929, was the most prolonged and severe downturn ever faced by the United States and the modern industrial economy. The period marked the end of the economic boom known as the Roaring Twenties. The contraction was punctuated by a series of financial crises that further worsened the situation. -
World War II
World War II, also known as the Second World War, was a worldwide military conflict that occurred from 1939 to 1945. The vast majority of the world's nations, including all the great powers, were divided into two opposing military alliances: the Allies and the Axis. -
Pearl Harbor
On Sunday, December 7, 1941, the United States was attacked by the Imperial Japanese Navy Air Service at Pearl Harbor, a naval base in Honolulu, Hawaii. The attack was a surprise military strike that occurred just before 8:00 a.m. -
D- Day
The Normandy landings refer to the operations that took place on Tuesday, June 6, 1944, which involved the Allied invasion of Normandy during World War II. This invasion, codenamed Operation Overlord and often referred to as D-Day, included both landing and airborne operations and is considered the largest seaborne invasion in history. -
Atomic bombings of Hiroshima and Nagasaki
From August 6, 1945, to August 9, 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki. The bombings killed between 129,000 and 226,000 people, most of whom were civilians, and remain the only use of nuclear weapons in an armed conflict. -
Assassination of Martin Luther King, Jr.
The 1960s witnessed a significant social and political upheaval, driven by various factors such as the civil rights movement, anti-Vietnam war sentiments, the rise of youth-oriented counterculture, and resistance from established and reactionary elements. The assassination of the prominent civil rights leader, Martin Luther King Jr. on April 4, 1968, exposed the tragic and violent outcomes that could result from a nation's political polarization. -
Covid-19 Outbreak
More than 1 million people have died from COVID-19 in the US since the virus first emerged in Wuhan, China in December 2019. Cases have been detected in most countries worldwide, and on March 11, 2020, the World Health Organization characterized the outbreak as a pandemic.