The ancestors of Indians came to America from Asia through the Bering Strait. Some migrated to northern North America and became Eskimos
1942
Columbus Discovered the Amercian
1507
The new continent was named America
1565
The Spanish founded St. Augustine, the first city in North America established by Europeans;
1607
Jamestown, Virginia was established and became the first successful colony in North America;
1620
A group of British Puritans arrived at Plymouth Port on the Mayflower. The Mayflower Convention was signed, which became the prototype of the American Constitution;
1624
The Dutch set up a colony near New York
1636
Harvard University was founded as the first university in North America
1676
The Bacon Uprising against harsh taxation broke out in Virginia Colony
1682
French colonists discovered the Mississippi River; Established in Pennsylvania and Philadelphia
1733
English settlers had occupied 13 colonies along the Atlantic coast
1756
English gained control of Canada and all of North America east of the Mississippi
1765
The British Stamp Act caused public outrage in the North American colonies
1773
Boston Tea Party（波士顿倾茶事件）
April 18, 1775,
in Lexington and Concord, near Boston, the gunfire of resistance was fired, opening the prelude to the War of Independence 列克星敦打响第一枪
1776
13 colonies issued the Declaration of Independence and carried out the War of Independence against Britain
July 4, 1776
the United States declared its independence 美国宣布独立
1777
the America won a great victory at Saratoga, which turning out of the war, resulting in an alliance between the U.S. and France
17781
America won a decisive victory at Yoktown
1783
Britain was defeated and America became independent
the Treaty of Paris
1787
The Draft Constitution of the United States was promulgated, in Philadelphia, which tacitly acknowledged the existence of slavery. This is the first written constitution in the world
1789
Washington as President, the United States was officially established
1794
In the Battle of Falling Trees, the US military eliminated the aboriginal resistance forces in Ohio
1803
The United States purchased a large area of land from Napoleon's France at a low price, which is known as Louisiana Purchase
1812
British invasion, the Second Revolutionary War broke out
1817
Construction of Yili Canal
1830
The construction of the first railway in the United States
1845
The Lone Star Republic of Texas joined the United States, and the westward movement began（西进运动）
1849
The discovery of gold deposits in Northern California promoted the gold rush
1859
John Brown led the anti slavery uprising
1860
the Republican Lincoln was elected president
1861
broke out 南北战争（Eleven southern states broke away from the Union, fought undeclared wars, occupied Sumter Fort）
the Confederate States of America
the United States
May 1862
Lincoln promulgated the Homestead Act, isolating the Southern Alliance
1863
Construction of the Pacific Railway across the Americas
January 1, 1863,
the Emancipation Declaration（解放宣言） was promulgated
April 9, 1865
The Civil War ended with federal victory（联邦胜利）
Slavery was completely abolished, and America became a single, indivisible nation
April 14, 1865
Lincoln was assassinated
1865
Johnson became president and issued the Amnesty Declaration (大赦宣言). The states successively formulated the Black Code to deprive blacks of their right to vote
1870
Rockefeller's Standard Oil Mobil Company (标准石油美孚公司) was established, and the United States entered the oil era
1871
The establishment of Drexel Morgan (德雷赛尔摩根) marks that the United States has entered the era of financial industry
1876
The telephone was invented by Alexander G.Bell
1879
Edison invented the electric light
1898
When the Spanish American War broke out, the United States acquired Cuba, Puerto Rico, the Philippines and other islands from Spain. Since then, the United States has officially become the first power in the Western Hemisphere
1899
the United States proposed the policy of "opening the door"（门户开放） to China
1903
The Wright brothers invented the airplane
the United States captured the Panama Canal Zone（巴拿马运河区）
1908
Ford produced Model T, marked America entered the automobile era
1912
after Wilson came to power, he established the Federal Reserve Bank system （联邦储备银行制度）and imposed progressive income tax（克莱顿反托拉斯法） through the Clayton Antitrust Act. Armed intervention in Mexico, Nicaragua and other countries
1914
The Panama Canal was opened, and the United States gained the right of management
the World War I broke out. 一战爆发 The United States declared neutrality, provided arms to the warring parties, and made loans to the Allies
April 6, 1917
the United States declared war on Germany 对德宣战
June 28，1919
The Versailles Treaty (凡尔赛条约)
1920
The United States began to promulgate alcohol prohibition（禁酒令）
1929
The stock market plummeted and the Great Depression began（大萧条）
1933
Roosevelt began to implement the New Deal in order to revitalize the economy（罗斯福新政）
December7，1941
Japan attacked Pearl Harbor, and the United States joined the Second World War（偷袭珍珠港）
June 1944
Normandy Login（诺曼底登陆）
July 1944
the Bretton Woods system (布雷顿森林体系) established the link between the dollar and gold, which is 35 dollars and an ounce of gold. From then on, the green paper became dollars
1945
in May，Germany surrendered（德国投降）
August 6 and 9, The United States dropped an atomic bomb on Hiroshima and Nagasaki, Japan（投掷原子弹）
August 14, Japan surrendered and World War II ended(日本投降，二战结束)
1947
Truman Doctrine（杜鲁门主义） marked The Cold War began（冷战开始）
the United States
the Soviet Union
April 1949
the forming of the North Atlantic Treaty Organization (北大西洋公约组织)
1950
the Korean conflict broke out
1961
The United States intervened in the Vietnam War（越南战争）, and was mired for more than ten years
Bay of Pigs incident（猪湾事件）
1962
The Cuban missile crisis（古巴导弹危机）
1969
Apollo 11 Landed on the Moon（阿波罗11号登月)
August 15, 1971
Nixon announced that the United States would no longer exchange gold from any country
1972
President Nixon visited China and issued the Sino US Shanghai Communique （中美上海公报）
January 1, 1979
the Communiqu é on the Establishment of Diplomatic Relations between China and the United States took effect, realizing the normalization of bilateral relations 《中美建立外交关系公报》生效，实现了双边关系正常化
April 12, 1981
the United States successfully launched the space shuttle Columbia (哥伦比亚号航天飞机)
1990
the Gulf War broke out（海湾战争）, and the United States sent troops to Iraq to force it to withdraw from Kuwait
1991
The Internet was launched in Silicon Valley of the United States
1992
Clinton was elected President.
2001
9/11 attacks in New York
2003
the United States launched the Iraq War（伊拉克战争）, overthrew Saddam Hussein's regime and established an interim Iraqi government
2008
The Subprime Crisis（次贷危机） broke out in the United States, and the economy was once hit hard
Obama was sworn in as the 44th President of the United States, becoming the first African American President in American history
2016
Trump was elected president
March 22, 2018
Trump launched a trade war against China, imposing tariffs on goods imported from China on a large scale, and restricting Chinese enterprises from investing in mergers and acquisitions in the United States
