-
Period: to
1800s to 2000s
-
Thomas Jefferson becomes the third president
Thomas Jefferson becomes the third president -
Louisiana Purchase
signed the Louisiana Purchase Treaty -
Lewis and Clark
Lewis and Clark explore the West and find a route to the Pacific Ocean. -
Mexican War
Mexican War took place in America's effort to gain California and other territory in Southwest. -
Abraham Lincoln is elected president
Abraham Lincoln is elected president -
Civil War
The Union faced secessionists in eleven Southern states grouped together as the Confederate States of America -
Lincoln is assassinated
Lincoln is assassinated by John Wilkes Booth in Washington, DC -
Civil War Ends
The war ended in Spring, 1865. Robert E. Lee surrendered the last major Confederate army to Ulysses S. Grant at Appomattox Courthouse on April 9, 1865. -
purchase of alaska
the United States reached an agreement to purchase Alaska from Russia for a price of $7.2 million. -
World War I
U.S. enters World War I, declaring war on Germany -
World War I ends
The Treaty of Versailles is signed by Germany and World War I comes to an end -
National anthem
The Star-Spangled Banner is adopted as the national anthem. -
World War II
U.S. declares war on Japan -
D-Day
The Normandy landing operations of the Allied invasion of Normandy in Operation Overlord during World War II. -
World War II ends
World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945 -
United Nations
United Nations is established -
Hawaii becomes a state
Hawaii became the 50th state in August, 1959. -
Vietnam war
On March 8, 1965, the first American combat troops – the 9th Marine Expeditionary Brigade – waded ashore at China Beach north of Da Nang. -
The United States Pulls Out of Vietnam
In 1969, when the number of U.S. military personnel in South Vietnam had reached 540,000, Nixon announced a modest troop withdrawal. -
9/11
Two planes were flown into the towers of the World Trade Center in New York City, a third plane hit the Pentagon just outside Washington, D.C., and the fourth plane crashed in a field in Pennsylvania.