Despite various attempts, The United States Constitution has remained untouched since 1992. Richard Morgan of the New Republic put together an in depth article chronicling the various attempts at constitutional amendments since then. It’s definitely an interesting read. Here’s an excerpt:
America’s longest drought between constitutional amendments since the Civil War was from 1870 to 1913. In that time, there were two presidential assassinations and several financial panics; the light bulb, telephone, movie theater, radio, and airplane were invented; the Supreme Court legalized segregation; fire destroyed Chicago and an earthquake flattened San Francisco; and the United States added eleven new states. Despite the frenzy, the Constitution went untouched.
Read the full article here, it’s worth it.