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How Did the Universe Begin? - American Museum of Natural History
The Big Bang was the moment 13.8 billion years ago when the universe began as a tiny, dense, fireball that exploded. Most astronomers use the Big Bang theory to ...
How did the Big Bang get its name? Here's the real story - Nature
On 28 March 1949, Hoyle — a well-known popularizer of science — gave a radio talk to the BBC Third Programme, in which he contrasted these two ...
Political Parties | George Washington's Mount Vernon
In the long history of the United States, only one president, George Washington, did not represent a political party.
Mayflower and Mayflower Compact - Plimoth Patuxet Museums
The Pilgrims did in the year 1620, on a ship called Mayflower. Mayflower set sail from England in July 1620, but it had to turn back twice.
Gettysburg Battle Facts and Summary - American Battlefield Trust
The Battle of Gettysburg marked the turning point of the Civil War. With more than 50,000 estimated casualties, the three-day engagement was the bloodiest ...
About Filibusters and Cloture | Historical Overview - U.S. Senate
On September 22, 1789, Pennsylvania Senator William Maclay wrote in his diary that the “design of the Virginians . . . was ... Not until 1964 did the Senate ...
Why did Hitler hate the Jews? | Anne Frank House
By blaming the Jews for the defeat, Hitler created a stereotypical enemy. In the 1920s and early 1930s, the defeated country was still in a major economic ...
How much did the Apollo program cost? | The Planetary Society
A rich data set tracking the costs of Project Apollo, free for public use. Includes unprecedented program-by-program cost breakdowns, facilities…
Gadsden Purchase, 1853–1854 - Office of the Historian
While the Treaty of Guadalupe Hidalgo formally ended the Mexican-American War in February 1848, tensions between the Governments of Mexico and the United States ...
Tomb of the Unknown Soldier - Arlington National Cemetery
The Tomb of the Unknown Soldier is Arlington National Cemetery's most iconic memorial. The neoclassical, white marble sarcophagus stands atop a hill ...
Rebel Ridge's Ending, Explained: Inside All the Twists and Turns
Director Jeremy Saulnier and star Aaron Pierre break down all the twists of Rebel Ridge.
Why Did the World Trade Center Collapse? Science, Engineering ...
There is widespread speculation that the buildings were structurally deficient, that the steel columns melted, or that the fire suppression equipment failed to ...
How the meaning of the Declaration of Independence changed over ...
On July 4, 1776, when the Continental Congress adopted the historic text drafted by Thomas Jefferson, they did not intend it to mean individual equality.
Constitution FAQs - The National Constitution Center
The Constitution was written during the Philadelphia Convention—now known as the Constitutional Convention—which convened from May 25 to September 17, 1787. It ...
The Wright Brothers | National Air and Space Museum
But who exactly were they and what did they do? The invention of the airplane by Wilbur and Orville Wright is one of the great stories in American history ...
The Colonies Under British Rule - USCIS
Each colony had its own government, but the. British king controlled these governments. By the 1770s, many colonists were angry because they did not have self- ...
How did the Hawaiian Islands form? - National Ocean Service
The Hawaiian Islands were formed by volcanic activity. ... The Hawaiian Emperor seamount chain is a well-known example of a large seamount and ...
World War I – known at the time as “The Great War” – officially ended when the Treaty of Versailles was signed on June 28, 1919, ...
1830s – 1860s: Telegraph | Imagining the Internet - Elon University
A brief historical overview: The printing press was the big innovation in communications until the telegraph was developed. Printing remained the key format for ...
Where Basketball was Invented: The History of ... - Springfield College
Basketball was Invented by Springfield College instructor and graduate student James Naismith in 1891.