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Gunpowder was made with a mixture of saltpeter (potassium nitrate), sulfur, and charcoal. Gunpowder was developed by Chinese alchemists in the 9th century while searching for an elixir of life, but they instead stumbled upon an explosive powder.

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<img src="https://www.warhistoryonline.com/wp-content/uploads/sites/64/2015/10/Untitled-design.jpg" alt="How Search for Immortality Resulted in Gunpowder Discovery - By Mislav  Barić | War History Online">

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The Invention of the 1st Wheel was invented around 3500 BC. The wheel's invention, widely attributed to the ancient Mesopotamians around 4200-4000 BC. It is a pivotal moment in history, enabling significant advances in transportation, agriculture, and industry.

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The Neolithic Revolution Begins (10000 BC)

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The Neolithic Revolution Begins (10000 BC)

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The Neolithic Revolution is when the Neolithic humans used stone tools like their earlier Stone Age ancestors who scraped together a marginal existence in small bands of hunter-gatherers during the last Ice Age. The cause of the Neolithic Revolution was that the Earth entered a warming trend around 14000 years ago at the end of the Ice Age.

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A printing press is a mechanical device that uses ink to transfer words and images to paper or other media, allowing for the mass production of printed matter like books, newspapers, and pamphlets. The first printing press was created by Johannes Gutenberg.

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The Protestant Reformation was a 16th-century religious, political, and intellectual movement in Europe that led to the establishment of Protestantism, a branch of Christianity separate from the Roman Catholic Church.

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The Steam Engine is a heat engine that performs mechanical work using steam as its working fluid. The Steam Engine was invented by James Watt, Thomas Newcomen, and Edward Somerset. The main point for a steam engine was to create mechanical motions.

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The Industrial Revolution Begins (1760-1840)

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The Industrial Revolution Begins (1760-1840)

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The Industrial Revolution was a period of significant technological and societal transformation primarily in the 18th and 19th centuries, marked by the shift from agrarian and handicraft economies to industrial and machine-based manufacturing. In the Industrial Revolution children worked in mines, glass factories, the textile industry, agriculture, canneries, and as newsboys, messengers, shoe shiners, and peddlers.

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<img src="https://cdn.britannica.com/17/167717-131-94C99B30/boys-mill-Macon-Georgia-1909.jpg" alt="The Rise of the Machines: Pros and Cons of the Industrial Revolution |  Britannica">

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The Cotton Gin was invented on March 14, 1794. It was invented by Eli Whitney and revolutionized cotton production by efficiently separating seeds from fibers.

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The French Revolution was a period of social and political upheaval in France. The people overthrew the monarchy and established a republic, significantly changing French society and government.

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The Haitian Revolution was a series of conflicts between the years 1791 and 1804 between the Haitian slaves, colonists, the armies of the British and French colonizers, and several other parties. The Haitian Revolution was caused because of the affranchis' frustrations with a racist society, the turmoil created in the colony by the French Revolution, the nationalistic rhetoric expressed during Voudou ceremonies, the continuity brutality of slave owners, and wars between European powers.

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The Telegraph is a communication device that transmits information over long distances using electrical signals. It works by sending coded signals, often in the form of Morse code, along wires to a receiver that decodes the message.

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Internal combustion engine invented (1859)

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Internal combustion engine invented (1859)

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An Internal combustion engine is a heat engine where fuel and air are burned inside a combustion chamber, creating high-pressure gas that powers the movement of engine parts. The Internal combustion engine was invented by Nicolaus Otto, George Brayton, Étienne Lenoir, and Samuel Brown.

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Invention of the Machine/Maxim Gun (1884)

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Invention of the Machine/Maxim Gun (1884)

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The machine gun was the first fully automatic machine gun, operating on the recoil principle and featuring a water-cooled barrel, capable of firing 600 rounds per minute. The Machine gun or Maxim gun was invented by Hiram Maxim.

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The first successful airplane, the Wright Flyer, was a biplane invented by the Wright brothers (Orville and Wilbur) and achieved the first sustained, powered, controlled flight on December 17, 1903, at Kitty Hawk, North Carolina. The biplane has two sets of wings on each of its sides.

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The Ford Model T was introduced in 1908, revolutionizing the automotive industry by offering a mass-produced, affordable car. It was the first car designed for an average family and used the innovative moving assembly line for production, significantly reducing costs and assembly time.

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The Chinese Revolution encompasses several key periods of upheaval and transformation, including the 1911 Revolution that overthrew the Qing Dynasty and established the Republic of China, the subsequent Chinese civil war between the nationalists and Communists, and the Chinese Communist Revolution that led to the establishment of the People's Republic of China. The Chinese Revolution overthrew the Qing Dynasty and ended the autocratic monarchy that had ruled China for more than 2,000 years ago and led to the establishment of the Republic of China.

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The Russian Revolution was a Revolution that overthrew the imperial government and placed the Bolsheviks in power. The February Revolution was also a part of the Russian Revolution and it led to the abdication of Tsar Nicholas II, and the October Revolution, which saw the Bolsheviks seize power and establish the world's first communist state.

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Radar was developed in the 1930s by British scientists and engineers, and played a crucial role in World War 2 and subsequent conflicts. The Radar uses radio waves to detect objects at a distance, a process known as "radio detection and ranging."

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The Green Revolution Begins (1940-Present)

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The Green Revolution Begins (1940-Present)

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The Green Revolution was a great increase in food grains (especially wheat and rice) that resulted in a large part from the introduction into developing countries of new, high-yielding varieties, beginning in the mid-20th century. Its early dramatic successes were in Mexico and the Indian subcontinent.

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The Cuban Revolution was the military and political overthrow of the Fulgenicio Batistas dictatorship, which had reigned as the government of Cuba between 1953 and 1959. The revolution began after the 1952 Cuban coup d'état, which saw Batista topple the nascent Cuban democracy and consolidate power.

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Digital Revolution Begins (late 1950s-late 1970s)

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Digital Revolution Begins (late 1950s-late 1970s)

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The Digital Revolution is a transformative period characterized by the shift from analog to digital technologies, primarily technology, and the internet, which has fundamentally changed communication, the economy, education, and entertainment, marking the beginning of the information age. The Digital Revolution started because of the invention of the transistor and the development of digital computers.

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Neil Armstrong steps onto the surface of the moon (1969)

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Neil Armstrong steps onto the surface of the moon (1969)

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Neil Armstrong landed on the moon and walked on it in 1969 and put the US flag on the moon. The most famous line that came from when Neil Armstrong stepped onto the surface of the moon is "That's one small step for man, one giant leap for mankind."

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Plastic was invented in 1907 by Leo Hendrik Baekeland. The first fully synthetic plastic was Bakelite, which means it was made using chemical reactions.

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The Battle of the Somme began in 1916, and it was a costly Allied offensive that resulted in a staggering number of casualties, cementing its place as one of the bloodiest battles in history. The Battle of the Somme was aimed at weakening German forces in World War 1.

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An Atomic Bomb is Dropped on Nagasaki (1945)

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An Atomic Bomb is Dropped on Nagasaki (1945)

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The Atomic Bomb was dropped on Nagasaki on August 9, 1945. The United States dropped an atomic bomb on Nagasaki, Japan, resulting in significant loss of life and contributing to Japan's eventual surrender.

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An Atomic Bomb is Dropped on Nagasaki (1945)

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Atari Pong was released in 1972. It is a two-dimensional arcade sports game that simulates table tennis. Two players use paddles to hit a ball back and forth, aiming to score points by preventing the opponent from returning the ball.

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The World Wide Web (WWW) was created by Tim Berners-Lee in 1989, while working at CERN, to facilitate information sharing between scientists. Berners-Lee designed a system using hypertext and a web browser that allowed users to easily access and navigate interconnected documents on the internet.

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Facebook was launched on February 4, 2004, as Facebook.com, initially as a social network for students at Harvard University. Facebook was created by Mark Zuckerberg in February 2004.

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The first iPhone was created by Apple and introduced by Steve Jobs on January 9, 2007, at the Macworld convention in San Francisco. It was a touchscreen mobile phone with an iPod, a Camera, and Web-browsing capabilities, among other features.

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ChatGPT is an artificial intelligence (AI) program that generates dialogue. Created by OpenAI, this highly capable chatbot uses machine learning learning algorithms to process and analyze large amounts of data to generate responses to users inquiries.