Popular myth relates a number of apparent coincidences which link US Presidents Abraham Lincoln and John F Kennedy.

Lincoln and Kennedy both served their country in war. Lincoln in The Black Hawk War and Kennedy in World War II on the PT-109.
Lincoln was elected to Congress in 1846, Kennedy in 1946.
Lincoln was elected President in 1860 and Kennedy in 1960
Before becoming President, both Kennedy and Lincoln gained fame in a series of debates with better-known opponents. Lincoln debated Stephen Douglas and Kennedy debated Richard Nixon
Lincoln and Kennedy were both the second born child in their families
Lincoln and Kennedy both had a sister whom they were very close that died young and tragically. Lincoln's young sister died in childbirth and Kennedy's in a plane crash.
Lincoln and Kennedy each had a close relative that was a British ambassador. Lincoln's son Robert was U. S. Ambassador to England from 1889 to 1893 and Kennedy's father Joseph from 1938 to 1940.
Both Lincoln and Kennedy did not marry until they were well over thirty years old. They each married a 24 year old woman from a wealthy family who spoke French.
Both Lincoln and Kennedy lost a child when they were President. Lincoln's 12 year old son Willie died in 1862 and Kennedy's son Patrick died a few days after his birth in 1963.
Both were assassinated.
Both were shot in the head
Both were sitting next to their wives when they were shot
In each assassination, they were with another couple and the man of that couple was also wounded. Major Henry Rathbone, who was in the box with Lincoln, was slashed by Booth's knife and Governor John Connolly was also shot.
Both presidents were succeeded by a man whose surname was Johnson - Andrew Johnson, born 1808, and Lyndon B. Johnson, born 1908.
Both Johnsons destroyed the Democratic Party by either signing or vetoing a civil rights bill.
Both studied law.
The assassins, John Wilkes Booth and Lee Harvey Oswald, were both shot before they could stand trial.
The assassins were born a century apart. Booth was born in 1839 and Oswald in 1939.
Each assassin came from a troubled family and lacked a father figure. Each assassin had an older brother that they tried to emulate. Booth had a brother named Edwin who was a much more acclaimed actor and Oswald had a brother named Robert whom he envied.
Lincoln had a secretary called David Kennedy, and Kennedy had a secretary called Miss Lincoln.
Booth shot Lincoln in a theatre and ran to a warehouse; Oswald shot Kennedy from a warehouse and ran to a theatre.
Kennedy was travelling in a Ford Lincoln; Lincoln was shot in Ford's Theatre.
Both were assassinated on a Friday preding a holiday, Lincoln was shot on Good Friday, two days before Easter and Kennedy was shot on the Friday before Thanksgiving.
Both men made prophetic statements on the days of their assassinations: Lincoln said: "If somebody wants to take my life, there is nothing I can do to prevent it."; Kennedy said: "If somebody wants to shoot me from a window with a rifle, nobody can stop it."
Both men were noted civil rights campaigners during their lifetimes. Each President also had a monumental event in civil rights that took place a century apart. In 1863, Lincoln signed the Emancipation Proclamation and in 1963 there was the great march on Washington during President Kennedy's term.