Stories by FactCheck.org

Pittsburgh, Pa., was named by Gen. John Forbes in honor of British statesman Sir William Pitt in 1758. In 1816, it was chartered as a city. 
Source: Pittsburgh Post-Gazette

The 22nd Amendment, ratified in 1951, created term limits for the president. The longest a person can serve is 10 years, by serving for two years to fill the vacancy of the previous president, and then being elected president twice.

Source: Annenberg Classroom

Benjamin Franklin, at age 81, was the oldest person to sign the Constitution. Jonathan Dayton of New Jersey, at 26, was the youngest.
Source: Annenberg Classroom

Although considered Founding Fathers of the United States, Thomas Jefferson and John Adams did not sign the Constitution. They were serving as U.S. ministers overseas and did not attend the Constitutional Convention.
Source: Annenberg Classroom

The word “democracy” is not used once in the Constitution.
Source: Annenberg Classroom

It wasn’t until the passage of the 17th Amendment, ratified in 1913, that voters were able to directly elect their senators. Before that, senators were selected by the individual state governments, as outlined in Article I, Section 3 of the Constitution.
Source: Annenberg Classroom

Only a very few federal cases, such as Engblom v. Carey (1982), have directly referred to the Third Amendment, which prohibits the quartering of soldiers in private homes without the owner’s consent during peacetime.
Source: Annenberg Classroom

The president can pardon any person who has committed a federal crime, except in cases of impeachment, as outlined in Article II, Section 2 of the Constitution.
Source: Annenberg Classroom

The 27th Amendment, preventing members of Congress from granting themselves pay raises during the current session, was introduced in 1789 by James Madison, but not ratified until 1992.

Source: Annenberg Classroom