7 fev 1787 ano - The Constitution was adopted on September 17, 1787, by the Constitutional Convention in Philadelphia, Pennsylvania, and ratified by conventions in each U.S. state in the name of "The People". The Constitution is the supreme law of the United States of America. The Constitution is the framework for the organization of the United States government and for the relationship of the federal government with the states, citizens, and all people within the United States.