U.S. Presidents have varying backgrounds and political persuasions. Only one was unanimously elected. They can have little or lasting influence. These stories are about individuals with the power to make a difference at home and abroad.
Photographic proof of the Holocaust exists, despite some who say it never happened.
As he plots Garfield's death, the once-institutionalized Guiteau stalks the President.
While waiting for Stalin to arrive, President Truman writes of the devastation in Berlin.
Black men had to fight hard for the right to die for their country.
On March 16, 1968 Robert Kennedy announceshe will run for president.
A long investigation, by the Warren Commission, officially concludes that Oswald acted alone in President Kennedy's murder.
Nuclear energy makes radiation, which can make living things sick or even kill them.
Even with the Constitution, debate continues over how much power the federal government should have.
Officials ask Lincoln to delay starting "the draft" in New York, but the Union needs men without delay.
Friendly troops rescue US soldiers. Mike Durant, the hostage, is released after 11 days.
South Korea forms a small operational defense force, and the North begins talks of invasion.
President Nixon's actions are the subject of many famous political cartoons by Herb Block (Herblock), which can be viewed online.