Graduate of Harvard in 1940, John Fitzgerald Kennedy begins his political career after the Second world war. At twenty-nine years, he is elected with the Room of the representatives. He becomes thereafter senator of Massachusetts of 1935 to 1960. In 1960, candidate of the democratic party, JFK beats Nixon with the presidential election with only 100.000 votes in advance. He is elected thanks to an innovative program on the social plan and with the topic of “the new border”. As regards foreign policy, it must face the “threat of Communism” and then organizes the unloading of the Bay of the pigs which proves to be a true failure. In Vietnam, it supports the conflict by sending American troops. John Fitzgerald Kennedy is assassinated on November 22, 1963, at the time of an electoral voyage to Texas, under conditions which remain still obscure today. This death “on line” marked the spirits of the whole world.