History of the USA USA1492 Discovery of America by Christopher Columbus Amerigo Vespucci voyages 1620 Arriving of the Piligrims at the site of preseny-day Plymouth, Massachusetts.

The American Revolutionary War (American war of Independence) against Creat Britain.The victory of the Americans. The American Revolutionary War (American war of Independence) against Creat Britain.The victory of the Americans.

July 4,1776 Adoption of the Declaration of Independence by the Continental congress. Adoption of the Declaration of Independence by the Continental congress.

September 17,1787 Adoption of the Constitution of the United States

The War of 1812 between the United States and the United Kingdom. The War of 1812 between the United States and the United Kingdom.

1828 Formation of the Democratic Party of the US. Formation of the Democratic Party of the US.

1854 Formation of the Republican Party of the US. Formation of the Republican Party of the US.

The Civil War between the North and the South. The abolishment of slavery. The Civil War between the North and the South. The abolishment of slavery.

The Great Depression. A period of severe economic failure after the Wall street crash. The Great Depression. A period of severe economic failure after the Wall street crash.

The Cold War. The confrontation between the United States and the Soviet Union. The Cold War. The confrontation between the United States and the Soviet Union.

The Vietnam War. The Vietnam War.

September 11,2001 Destruction of World Trade Center towers in New York city. (about people were killed). Destruction of World Trade Center towers in New York city. (about people were killed).

The United States Government Executive branch President Vice President

Judicial Branch Supreme court Court of Appeals District Courts Special Courts

Legislative Branch Congress Congress House of representatives Senate House of representatives Senate