The United States of America, referred to as the United States for short, is a federal constitutional country, which consists of Washington, D.C., 50 states, Guam and many other overseas territories. Its main part is located in central North America. The first edition of the CIA's "World Survey" was from 1989 to 1996. The United States has a total area of 9.373 million square kilometers and a population of 330 million. It is an immigrant country with a common English.
The president of the United States is the head of state, the head of government and the commander-in-chief of the three armed forces of the United States of America, and is sometimes called Mr. President and Your Excellency.
It was established in accordance with the American Constitution adopted in 1787, and exercised the administrative power entrusted by the Constitution. George Washington, the first president, took office on April 30th, 1789, and all the presidents since 1933 took office on March 4th, and then resigned on October 20th, 65438. The term of office is 4 years, with no more than 2 consecutive terms. If he has served as president or performed his duties for more than 2 years, he shall not be elected as president for more than 1 time.
The president of the United States is called Mr. President, his wife is called the first lady, and his family is called the first family. Since the founding of the United States more than 200 years ago, the first 43 presidents were all white men, and the 44th president barack obama was the first African-American.
The president of the United States has great power and influence, not only at home, but also in other countries in the world. The president of the United States has great power, with administrative power and military power as the power center, and the president is also the power center of the country.
The presidential residence of the United States is located in the White House in the District of Columbia. The president's passenger plane is called Air Force One, the helicopter is called Marine Corps One, and the mount on which the President of the United States rides has always been called American One. The official March is a tribute to the commander-in-chief.
According to the Constitution of the United States, the president must be at least 35 years old and have lived in the United States for more than 14 years. He must also be a natural-born American citizen or an American citizen at the time of the adoption of the Constitution. Only the president and vice president of American public office must be American citizens at birth.
Donald Trump, the current President, was formally sworn in as President of the United States on 20 17120 October.
1, George Washington1April 30, 789-1March 4, 797, without party affiliation.
2. john adams1797 March 4th-1801March 4th, Federalist Party of the United States.
3, Thomas Jefferson1801March 4th-1809 March 4th, Democracy and the Party.
4. james madison1March 4, 809-181March 4, 7, Democracy and the Party.
5. james monroe1865438+March 4, 2007-65438+March 4, 20825, Democracy and the Party.
6. john quincy adams1March 4, 825-1March 4, 829, the state and the party.
7. andrew jackson1March 4, 829-1March 4, 837 Democratic Party.
8. Martin Van Buren 1837 March 4th-1841March 4th Democratic Party.
9. william henry harrison1841March 4th-1841April 4th Whig Party.
10, john tyler1841April 4th-1845 March 4th Whig Party.
1 1, james knox polk1March 4, 845-1March 4, 849, Democratic Party.
12, Zachary Taylor,1849 March 4th-1850 July 9th [7] Whig Party.
13, Millrd Fillmore1850 March 4th-1853 March 4th Whig Party.
14, franklin pierce 1853- 1857 democratic party, March 4th.
15, james buchanan1857 March 4th-1861March 4th Democratic Party.
16, abraham lincoln1861March 4-1865 April 15 * * and the party.
17, andrew johnson1865 April15-1869 March 4, Democratic Party.
18, Ulysses grant1March 4, 869-1March 4, 877 * * * and the party.
19, Rutherford Birchard Hayes 1877 March 4th-1881March 4th * * and the party.
20. james garfield1881March 4th-1881September 19 * * and the party.
2 1, Chester Allen Arthur1881September19-1885 March 4th * * and the party.
22. Grover Cleveland1March 4, 885-1March 4, 889 Democratic Party.
23. Benjamin Harrison1March 4, 889-1March 4, 893 * * * and the Party.
24. Grover Cleveland1March 4, 893-1March 4, 897 Democratic Party.
25, william mckinley 1897 March 4th-190 1 September 14 * * and the party.
26, theodore roosevelt1901September14-1909 March 4 * * and the party.
27. William Howard Taft 65438+March 4th 0909-191March 4th * * and the party.
Woodrow Wilson1965438+March 4th, 03-1921March 4th, Democratic Party
29. Warren Gamaliel Harding1921March 4th-1August 2nd * * and the Party.
30. John Calvin Coolidge1August 2, 923-1March 4, 929 * * * and the Party.
3 1, Herbert Hoover1March 4, 929-1March 4, 933 * * * and the Party.
32. franklin roosevelt1March 4, 933—65438+April12,0945 Democratic Party.
33. Harry S. Truman1945 April12-19531October 20th, Democratic Party.
Dwight David Eisenhower1953 65438+1October 20th-196165438+1October 20th * * and the Party.
35. John F. Kennedy196165438+1October 20th-196365438+1October 22nd Democratic Party.
36. lyndon johnson1963165438+1October 22nd-196965438+1October 20th Democratic Party.
37. Richard Nixon1969 65438+1October 20th-1August 9th, 974 * * * and the Party.
38. Gerald Ford 65438+August 9th 0974-197765438+1October 20th * * and the Party.
Jimmy Carter1977 65438+1October 20th-198165438+1October 20th Democratic Party
Ronald Reagan198165438+1October 20th-1989 65438+1October 20th * * and the party.
4 1, George Herbert Walker Bush1989 65438+1October 20th-1993 65438+1October 20th * * and the Party.
42. Bill Clinton199365438+1October 20th—20065438+0 65438+1October 20th Democratic Party.
43. george walker bush 20065438+0 65438+1October 20th—200965438+1October 20th * * and the Party.
44. barack obama, 200965438+1October 20th—2065438+200765438+1October 20th Democratic Party.
45. Donald Trump 2017 65438+1October 20th-202165438+1October 19 * * and the Party.
46. Joseph Robinett Biden Jr. 202165438+1October 20th-Democratic Party Today.