The Constitution of the United States (US) was signed by 39 of the 55 delegates on September 17, 1787. It went into effect on March 4, 1789, after it had been ratified by conventions in nine states.

After the president signed his executive order Tuesday calling ... challenges for encroaching on state powers outlined in the U.S. Constitution. The order is “unlawful,” Colorado Democratic ...

Fifty-six men signed the Declaration of Independence ... Check out these myths about the U.S. Constitution that most Americans believe. In 2010, a Gwinnett signature sold for $722,500 in New ...

A White House web page that explained the U.S. Constitution has not been available since President Donald Trump returned to ...