In the past 227 years, 45 American presidents were all men, 44 were white (Obama was the only black president in America) and 44 were Protestant Christians (John F. Kennedy was the only Catholic president in America).

Abraham lincoln, the16th president, abolished black slavery. During his presidency, a civil war broke out in the United States, known as the Civil War, and Lincoln resolutely opposed national division. He abolished slavery in rebel states and promulgated the Homestead Act and the Emancipation Proclamation. Lincoln defeated the separatist forces in the south and safeguarded the right of the United States and its territory to be born equal regardless of race. Shortly after the end of the civil war, Lincoln was assassinated. He was the first president of the United States to be assassinated, the first president of party member, and ranked first among the greatest presidents. And one of the most successful presidents in the United States.

Historians call Washington the father of the country and Lincoln the savior of the country. In the United States, the third Monday in February every year is "President's Day" to commemorate these two great leaders.

In 2006, abraham lincoln was named 1 out of 100 people who influenced the United States by the authoritative American periodical Atlantic Monthly.

In 2008, The Times organized an expert committee to rank 43 American presidents as "the greatest presidents" by different standards, and abraham lincoln ranked first.

"He is a man who will not be intimidated by difficulties and will not be confused by success. He is indomitable towards his great goal and never makes a move. He advances steadily and never retreats ... In short, he is an extremely rare figure, reaching a great level and still maintaining his good qualities. "