The largest number of American presidents.

The first president of the United States: john quincy adams, the first American president to become president after his father. He is the eldest son of john adams, the second president of the United States, and abigail adams, the first lady.

The first president from a civilian background: andrew jackson. When he was a teenager, he lived in a remote area in the west, where he spent the war of independence. He started as a border lawyer, worked as a congressman, senator, state supreme court judge and state militia major general, and finally entered the White House after two campaign efforts.

The first president to die in the White House: william henry harrison. 1840, 68-year-old Harrison won the election. At the inauguration ceremony, he felt cold and later turned into pneumonia. He died after serving for one month.

The first president to sign an unequal treaty with China: John Taylor. During his term of office, the United States signed the Sino-American Wang Xia Treaty with the Qing government of China, from which the United States obtained the privileges of agreed tariffs, five-port trade, consular jurisdiction and unilateral MFN treatment in China.

The first "dark horse" president: James K. Polk. 1844 general election, the nomination of the democratic presidential candidate was deadlocked. After behind-the-scenes negotiations, Polk, who was not a candidate, was nominated and defeated Whig henry clay in the general election, becoming the first "dark horse" president in American history.

The first and only unmarried president: james buchanan. In his 77-year-old life, he has been single. Although she was engaged at the age of 28, her fiancee died of an overdose of sedatives on 18 19. Since then, he never mentioned engagement and marriage again, and died at the age of 77.

The first president to be assassinated: abraham lincoln. He was assassinated in April 1865 because he led the north to win the civil war and abolished slavery in the United States. (The second assassinated president was james garfield, who was killed on July 2, 188 1 year; The third assassinated president was william mckinley, who was shot in September of 190 1 and died soon after. )

The first president impeached by Congress: andrew johnson. Johnson implemented a series of reactionary measures to rebuild the south from the standpoint of slave owners in southern plantations, which was strongly opposed by the * * * who controlled the Congress and the radicals in the party. They launched a campaign to impeach Johnson. Although he failed in the end, Johnson was notorious for it.

The first military president to graduate from West Point Military Academy: hiram grant.

The first president to receive the Permanent Representative of China: Rutherford B. Hayes.

The first Roman Catholic President: John Kennedy.

The first president to resign voluntarily: Richard Nixon, who resigned because of the famous Watergate incident. He was also the first American president to visit People's Republic of China (PRC).

The first president to visit Cuba: Jimmy Carter. He visited Cuba and held talks with Castro, which played a positive role in improving relations between the United States and Cuba.

Ronald Reagan, the first president to visit China after the establishment of diplomatic relations between China and the United States.

President of the United States

The most omnipotent: Thomas Jefferson and theodore roosevelt.

Jefferson was studious, versatile and had a wide range of interests. He is a land surveyor, architect, paleontologist, philosopher, phonologist and writer. He knows Latin, Greek, French, Spanish and Italian, and is interested in mathematics, agriculture and architecture, and even the violin. People call him the most talented and versatile president of the United States. Jefferson wrote many works in his life, covering a wide range of issues. Later generations published his anthology in 20 volumes in memory of him. As an outstanding representative of American bourgeois democrats, Jefferson is as famous as Washington and Lincoln.

Roosevelt was a well-read naturalist, historian and speaker. He is regarded as one of the most versatile presidents in America. He has many works and translations. It is said that from 1877 to his death, there were 2000 to 3000 yuan. He wrote more than 6.5438+0.5 million letters in his life, which has a high position in Chiyu literature. His letters to children have become a masterpiece. He is the author of Victory in the West, History of 19 12 naval battle, etc. Most of his works are included in Roosevelt's collected works. There are many versions of this anthology, some of which reach 24 volumes.

The most unlucky president: herbert hoover.

When Coolidge was in office, the prosperity ended, the global economic crisis broke out, and the American economy tumbled in the abyss, which dashed his hope of relying on the scientific potential of the United States to open up a "new era." Although he made a lot of efforts, the crisis worsened day by day, and there was nothing he could do. Historian's comment: The measures against depression are rigid and dogmatic, which is unlucky.

The shortest president: william henry harrison.

This man was particularly excited when 184 1 was sworn in, and delivered a speech for two hours in one breath. Although I am addicted to my mouth, I can't catch a cold and I have pneumonia. The hapless Harrison died only a month after he lived in the White House.

The longest-serving president: franklin roosevelt.

He was elected president four times from 1932 to 1945. The United States later amended the Constitution at 195 1, shortening the presidency to two terms, and Roosevelt's record of re-election is bound to be maintained.