-
declaration of independence
The unanimous Declaration of the thirteen united States of America, When in the Course of human events, it becomes necessary for one people to dissolve the political bands which have connected them with another, and to assume among the powers of the earth, the separate and equal station to which the Laws of Nature and of Nature's God entitle them, a decent respect to the opinions of mankind requires that they should declare the causes which impel them to the separation. -
The Continental Congress approves the Articles of Confederation
The Articles of Confederation and Perpetual Union was an agreement among the 13 original states of the United States of America that served as its first constitution. It was approved, after much debate -
Constitution of the United States of America
Written in 1787, ratified in 1788, and in operation since 1789, the United States Constitution is the world’s longest surviving written charter of government. -
George Washington inaugurated as President of the United States
Washington was inaugurated as the first President of the United States on April 30, 1789, -
The United States Army is established.
s the land warfare service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution -
The United States Marine Corps is established
also referred to as the United States Marines, is a branch of the United States Armed Forces responsible for conducting expeditionary and amphibious operations -
Lousinana Purchase
by the United States from France in 1803. In return for fifteen million dollars, or approximately eighteen dollars per square mile, the United States nominally acquired a total of 828,000 sq mi (2,140,000 km2; 530,000,000 acres). -
Texas Revolution
was a rebellion of colonists from the United States and Tejanos (Texas Mexicans) in putting up armed resistance to the centralist government of Mexico. -
Emancipation Proclamation
resident Abraham Lincoln issued the Emancipation Proclamation on January 1, 1863, as the nation approached its third year of bloody civil war. -
Assassination of Abraham Lincoln
was assassinated by well-known stage actor John Wilkes Booth on April 14, 1865, while attending the play Our American Cousin at Ford's Theatre in Washington, D.C. -
Wounded Knee Massacre.
lso known as the Battle of Wounded Knee, was a domestic massacre of nearly three hundred Lakota people, by soldiers of the United States Army. It occurred on December 29, 1890 -
World War I (WWI)
pitted Germany, Austria-Hungary and the Ottoman Empire against Great Britain, the United States, France, Russia, Italy and Japan. New military technology resulted in unprecedented carnage. By the time the war was over and the Allied Powers claimed victory, more than 16 million people -
Black Tuesday
was the fourth and last day of the stock market crash of 1929. It took place on October 29, 1929.1 Investors traded a record 16.4 million shares. They lost $14 billion on the New York Stock Exchange, worth $206 billion in 2019 dollars. -
World War II
The instability created in Europe by the First World War (1914-18) set the stage for another international conflict–World War II–which broke out two decades later and would prove even more devastating. -
Pearl Harbor
was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States (a neutral country at the time) against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii, just before 08:00, on Sunday morning, December 7, 1941. -
1st atomic bomb on Hiroshima, Japan.
On August 6, 1945, during World War II (1939-45), an American B-29 bomber dropped the world's first deployed atomic bomb over the Japanese city of Hiroshima. The explosion immediately killed an estimated 80,000 people; tens of thousands more would later die of radiation exposure -
NASA formed
The National Aeronautics and Space Administration is an independent agency of the U.S. Federal Government responsible for the civilian space program, as well as aeronautics and space research -
Apollo 11
was the spaceflight that first landed humans on the Moon. Commander Neil Armstrong and lunar module pilot Buzz Aldrin formed the American crew that landed the Apollo Lunar Module Eagle on July 20, 1969, at 20:17 UTC. -
Assassination of John F. Kennedy
he 35th President of the United States, was assassinated on Friday, November 22, 1963, at 12:30 p.m. Central Standard Time in Dallas, Texas, while riding in a presidential motorcade through Dealey Plaza. -
September 11th
were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.