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The declaration of Independence was signed July 4, 1776.
This event is significant because it justified our right to revolt against a government that no longer guaranteed us our natural rights.

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1787
The Constitution of the United States of America was created.
This is significant because it established America's fundamental laws.

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1803
Thomas Jefferson bought the Louisiana Territory from the French.
This is significant because this doubled the land of the United States.

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September 17, 1862
This battle pitted Confederate General Robert E. Lee’s Army of Northern Virginia against Union General George McClellan’s Army of the Potomac and was the culmination of Lee’s attempt to invade the north.
It is significant because it is the deadliest one day battle in American history.

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January 1, 1863
Lincoln announced all slaves in the rebelling states would be free.
This is significant because Abe Lincoln wanted slaves to be freed

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July 1-3, 1863
Robert E Lee's army invaded Gettysburg, and were defeated.
This is significant because it sealed the fate of the confederacy.

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April 9, 1865
General Robert E. Lee surrenders his 28,00 troops.
This is significant because it ended the Civil War.

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1876
This was battle between the US army and a combination of Lakota, Northern Cheyenne, and Arapaho tribes.
This is significant because it marked the beginning of the end Native American Sovereignty in the West.

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September 6-9, 1914
French and British forces confronted the invading Germany army, which had by then penetrated deep into northeastern France, within 30 miles of Paris.
This is significant because it was the first battle of WW1.

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1918
The Spanish Flu pandemic of 1918, was estimated to infect 500 million people.
This is significant because it was the deadliest pandemic ever.

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June 28, 1919
The Treaty of Versailles was signed.
This is significant because it was anticipated to be the ware that ends all wars. That goal was not achieved.

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1925
The Geneva Convention was a series of international diplomatic meetings that produced a number of agreements.
This is significant because restricted the use of chemical and biological agents in warfare and remains in effect today.

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1929
Stock prices collapsed completely.
This is significant because it set the stage for years of economic deprivation and calamity during the great depression.

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1930-1936
Severe dust storms struck the southern plains.
This is significant because it killed people, livestock, and crops.

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March 12, 1933
Roosevelt gave his first of many talks over the radio. This is significant because it helped people feel connected to FDR during the depression.

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September 1, 1939
Germany invades Poland.
This is significant because it started WW2.

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December 7, 1941
Japanese did a surprise military attack at the US naval base in Pearl Harbor.
This is significant because brought attention to the intelligence failures and the lack of readiness of the United States military.

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June 4-7, 1942
The US navy defeats the Japanese navy.
This is significant because it was US's first response to Japan since the Pearl Harbor bombing.
This is significant because

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June 6, 1944
Allied forces launched a combined naval, air and land assault on Nazi-occupied France.
This is significant because the invasion was one of the largest amphibious military assaults in history and required extensive planning.

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Atomic Bombings of Hiroshima and Nagasaki

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Atomic Bombings of Hiroshima and Nagasaki

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August 6-9, 1945
The United States dropped atomic bombs on the Japanes cities Hiroshima and Nagasaki.
This is significant because it caused Japan to surrender from World War 2.