It was created on September 17, 1787 and it was ratified on June 21, 1788. Date effective March 4, 1789.

A Wall Street Journal article convinced me I have to read the entire Constitution of the United States and the Bill of Rights and all the Amendments.

A found the whole thing at https://constitutionus.com/.

I have a lot of time on my hands these days.

Wikipedia:

According to the United States Senate: "The Constitution's first three words—We the People—affirm that the government of the United States exists to serve its citizens. For over two centuries the Constitution has remained in force because its framers wisely separated and balanced governmental powers to safeguard the interests of majority rule and minority rights, of liberty and equality, and of the federal and state governments." The first permanent constitution of its kind, adopted by the people's representatives for an expansive nation, it is interpreted, supplemented, and implemented by a large body of constitutional law, and has influenced the constitutions of other nations.